1. The carbon-dioxide increases in atmosphere by fossil-fuels, decaying-dead, automobiles etc. and when animals or plant die they get buried and carbon content increases under the ground.
2. Greenhouse gas are those gases which trap heat in the atmosphere and maintain the temperature of the earth.
3. Diamond and graphite are solid forms of carbon.
4. Dry ice is the carbon as liquid.
5. Autotrophs make simple sugar glucose via photosynthesis and this sugar is used by heterotrophs as a substrate for respiration in the presence of oxygen.
Explanation:
When the fuels from automobiles, fossil-fuel, dead decaying organism release carbon in the atmosphere, the increase in carbon dioxide is the cause of global warming.
Greenhouse gases absorb the infrared radiations from the earth's surface and reradiate it back to the atmosphere. In short greenhouse gases allow sun's rays to pass through and maintain the earth's temperature otherwise the earth will become too cold to sustain lives.
Final answer:
Influences on atmospheric CO₂ include human emissions and natural processes like volcanic activity and respiration. CO₂ is a greenhouse gas that traps heat in the atmosphere, leading to global warming. Carbon cycles through photosynthesis and respiration, balanced between its uptake by plants and release by organisms.
Explanation:
Factors Influencing Atmospheric Carbon Dioxide
Several factors can cause an increase or decrease in carbon dioxide (CO₂) at a given location. Increases in CO₂ can result from human emissions such as burning fossil fuels, deforestation, and industrial processes. Natural processes that release CO₂ include volcanic activity and the respiration of living organisms. Decreases in atmospheric CO₂ can occur through photosynthesis, where plants convert CO₂ into organic carbon, and the long-term storage of organic carbon deep underground when it becomes fossilized.
Greenhouse Gases and Their Effects
Carbon dioxide is known as a greenhouse gas because it contributes to the greenhouse effect, which warms the planet by trapping heat in the atmosphere. The other two major greenhouse gases implicated in global warming are methane (CH₄) and nitrous oxide (N₂O). The outcome of increased greenhouse gases includes global temperature rise, climate change, and adverse effects on ecosystems.
States of Carbon
Carbon can exist as a solid in various forms, including coal, graphite, and diamonds. As a liquid, carbon is less common, but it can exist in liquid form under high pressure and temperature conditions, such as in industrial processes.
The Carbon Cycle: From Photosynthesis to Respiration
Carbon cycles through photosynthesis and respiration in a process that starts with photosynthesis, where plants convert CO₂ into organic carbon (e.g., glucose). Through the process of cell respiration, living organisms, including the plants themselves, convert organic carbon back into CO₂, which is then released back into the atmosphere.
What types of materials are expelled from cells during exocytosis?
Question 8 options:
large molecules such as hormones
positive and negative ions
small molecules such as carbon dioxide
water and glycerol
"Large molecules such as hormones" types of materials are expelled from cells during exocytosis.
Answer: Option A
Explanation:
The mechanism whereby a cell transfers secretory products to the plasma membrane via the cytoplasm is termed as "exocytosis" while material passage into the cell is known as "endocytosis". Exocytosis is need for removing waste material from cell.
In exocytosis, mechanism huge quantity of molecules which means bulk transport is performed.Responsible for secretion of digestive enzymes and hormones. In this process, membranes-bound secretory vesicle pass to the cell membranes while their material like water-soluble molecule get secreted in the extracellular atmosphere.
_____ recognized the vital role of the internal environment and suggested that the objective of mechanisms within the body is to preserve the constant conditions of the internal environment.
Carolus Linnaeus
Claude Bernard
Schwann and Schleiden
Robert Hook
Answer:
Robert Hook is the answer
Why do animals such as a hedgehog
hibernate during the cold winter
months?
Answer:
To reduce heat loss
Explanation:
During cold weather, small animals like hedgehog survive by hibernating. During hibernation, the hedgehog go into a deep sleep and the metabolic rate falls to the minimum required for maintaining the vital activities of the cells. The body temperature is maintained at a lower level typically at about 18 c. These reduces heat loss.
What is the SI unit for intensity
Answer:
Watt
Explanation:
The SI unit of intensity is the watt per square meter.
Plz click the Thanks button
Answer:
Decibel
Explanation: edge2020
What does the pulmonary vein do?
A. Brings blood from the heart to the lungs
O
B. Brings blood from the liver to the heart
D
C. Brings blood from the lungs to the heart
D. Brings blood from the heart to the liver
Answer:
it would be
Explanation:
C.
Final answer:
The pulmonary vein carries oxygenated blood from the lungs back to the heart. It is part of the pulmonary circulation that includes the heart and lungs, ensuring the blood becomes oxygenated before being pumped to the rest of the body.
Explanation:
The pulmonary vein performs a vital function in the human body's circulatory system. Specifically, option C is correct: it brings oxygenated blood from the lungs to the heart. Unlike other veins, the pulmonary veins are unique in that they carry oxygen-rich blood. The pathway of blood through the heart and to the body is critical to understand, especially when considering the pulmonary and systemic circuits. The pulmonary circulation is a section of the circulatory system which solely involves the heart and lungs. The right ventricle of the heart pumps deoxygenated blood into the right and left pulmonary arteries, which then transport this blood to the lungs where it becomes oxygenated. The oxygen-rich blood returns to the heart via the pulmonary veins, specifically the right and left pulmonary veins, which enter the left atrium of the heart.
The correct order of how blood flows from the heart out to the body and back again follows this sequence: The blood exits the heart through the aorta, travels through arteries, moves into capillaries, progresses through venules, and returns via veins.
11. Under what conditions can spontaneous recovery occur?
A) As a result of latent learning
B) When the conditioned stimulus starts again
C) After systematic desensitization
D) When the unconditioned stimulus is extinguished
Spontaneous recovery in classical conditioning occurs when a conditioned stimulus is reintroduced after a rest period and the previously extinguished conditioned response reemerges.
Explanation:Spontaneous recovery can occur under specific conditions within the domain of classical conditioning. After a conditioned response has been extinguished through the process of presenting the conditioned stimulus without the unconditioned stimulus, spontaneous recovery may take place. If there is a rest period following extinction, the introduction of the conditioned stimulus again can lead to a sudden reappearance of the conditioned response. This phenomenon is not due to latent learning or systematic desensitization, nor is it related to the extinguishing of the unconditioned stimulus. Instead, it is directly tied to the reappearance of the conditioned stimulus after a period of time. Spontaneous recovery shows that the association between the conditioned and unconditioned stimuli is not completely erased during extinction but has weakened and can be quickly relearned.
The energy acquired in the light-dependent reactions is used in the light-independent reactions to build glucose molecules. How is this energy transferred from light-dependent to light-independent reactions?
Question 9 options:
in the bonds of ATP and NADPH molecules
in the bonds of 5-carbon ribulose molecules
in the bonds of 3-carbon phosphoglycerate molecules
in the bonds of carbon dioxide molecules
Answer:
The energy obtained in light independent molecules are depend on ATP and NADPH to produce glucose from carbon dioxide molecule.
Explanation:
Photosynthesis is a process done by plants that have 2 stages - Light dependent reaction and Light independent reaction (Calvin cycle). In light dependent reaction,the light energy is converted into chemical energy with the help of ATP (adenosine triphosphate) and NADPH ( nicotinamide adenine dinucleotide phosphate) which is used in Calvin cycle that uses those energy obtained from light dependent reaction and produce glucose with the help of carbon dioxide.Steps-(Light dependent reaction)
Chlorophyll absorb sunlight⇒convert it into chemical energy⇒formation of ATP & NADPH
(Light independent reaction)
ATP+NADPH+ Carbon dioxide= Carbohydrate(Glucose)
2. (2 pts) According to the cladogram, which organisms develop in an “amniotic egg”?
Crocodiles and Birds
Primates and Rodents/Rabbits
Primates, Rodents/Rabbits, Crocodiles, Birds
Amphibians, Primates, Rodents/Rabbits, Crocodiles, Birds
The organisms that develop in an amniotic egg, as indicated by a cladogram, would generally be Crocodiles and Birds. This is due to the evolutionary significance of an amniotic egg, enabling survival in dryer environments, a characteristic found in reptiles and birds.
Explanation:Based on the typical organization of a cladogram, the organisms that develop in an amniotic egg would be Crocodiles and Birds. The amniotic egg is significant in biological evolution, as it allows the egg to survive in dryer environments. This type of egg is common among reptiles and birds, which includes crocodiles. Primates and rodents/rabbits, on the other hand, are mammals and do not lay eggs. Amphibians also lay eggs, but their eggs do not have an amnion. Thus, they are not considered as amniotic egg developers.
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Which factor might an editor consider when trying to judge the validity of a scientific report submitted for publication?
(Select all that apply)
A) If the report is well organized
B) If the sources used are peer reviewed
C) If the writing shows evidence of scientific thinking
D) If the writing is based on sound evidence
Answer:
The correct options are
B) If the sources used are peer reviewed
D) If the writing is based on sound evidence
Explanation:
To check whether a scientific report is valid or not, one must determine whether the results deduced from its experiments were accurate and true or not. If the writing provides sound evidence for its experiments to be true and not biased, then the editor will most likely publish it. A report that is supported by peer reviews will be the best to publish as the data in it will be considered to be more authentic and accurate. Hence, option B and D will be true.
Answer:
It is all four
Explanation:
A) If the report is well organized
B) If the sources used are peer reviewed
C) If the writing shows evidence of scientific thinking
D) If the writing is based on sound evidence
Predict the fur color of the offspring of a brown heterozygous rabbit and a white homozygous rabbit. Brown is dominant and white is recessive. Use B for dominant and b for recessive.
What are the genotypes and phenotypes of the new generation?
What are the percentages of brown and white rabbits?
Answer:
To predict the results of the offspring from a cross between brown heterozygous rabbit and a white homozygous rabbit, a punnet square can be drawn as follows:
b b
B Bb Bb
b bb bb
The results from the punnet square show that there is 2:2 ratio that the offspring will be brown coloured or white coloured. The genotype of the rabbits will either be heterozygous brown i.e Bb or homozygous white bb.
there is a 50% chance that the offspring will be brown rabbit and there is also a 50% chance that the offspring can be a white rabbit.
For the offspring produced, the genotypes are Bb and bb; the phenotypes are two brown and two white; while the percentage of brown and white rabbits is 50% each.
What are genotypes and phenotypes?Genotype refers to the sum total of the genetic composition of an organisms.
Phenotype refers to the physical expression of the genotype of an organism.
The cross is shown below:
Bb × bb = Bb, Bb, bb and bb
The genotypes are Bb and bb
The phenotype is two brown and two white.
The percentage of brown and white rabbits is 50% each.
Therefore, the genotype and phenotype of the the offspring are based on the dominant and recessive traits inherited from parents.
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Which type of transport requires energy to move molecules from an area of lower
concentration to an area of higher concentration?
Answer:
active
Explanation:
Using energy, active transport is the process of moving materials into, out of, and between cells.
What is active transport?Passive transport, which utilizes no energy, can be used in some circumstances to move substances. The cell must frequently move elements against their gradient of concentration, though. Active transportation is necessary in these situations.
Most frequently, a transport protein that attaches to the chemical known as adenosine triphosphate, the cell's "fuel," changes shape to carry out active transport (ATP).
In some circumstances, energy-free passive transport can be used to achieve this.
Therefore, the cell frequently needs to transfer an object against its concentration gradient. Active transportation is necessary in these situations.
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by regulating the cell cycle muticellular orginisms gain which of these benefits
Choices are:
A. eliminating unnecessary genes
B. healing wounds effectively
C. replacing lost cells, such as shed skin cells
D. preventing communication among cells
Answer:
The answers are letters B and C.
Explanation:
"Multicellular organisms" are those organisms with many cells. Examples of these are kelp and Volvox.
In order for multicellular organisms to grow, they have to undergo a process called "mitosis." This is a type of cell division which allows the number of chromosomes to be maintained (such as the parent nucleus) in the resultant cells (identical cells).
The division aids in the organism's growth and repair, thus wounds are healed effectively. It also allows the replacement of lost cells, such as shed skin cells because the organism can regenerate cells when the need arises.
In contrast to unicellular organisms which uss cell division for reproduction, multicellular organism use cell division for "healing and repair" as well as "regeneration."
Before mitosis can occur, DNA replication must occur. This DNA replication results in 2 identical copies of the DNA joined at the centromere. During Anaphase of mitosis, these identical copies of DNA, called ____________, are pulled apart to opposite poles of the cell.
A) Genes
B) chromatin
C) sister chromatids
D) daughter chromatids
Answer:
i think there genes, or chromatins.
Explanation:
Usually expressed as a fraction, this is way of showing the relative size of two numbers, as when 24/30 is written as 4/5, meaning 24 has as many groups of 4 as 30 has groups of 5.
Answer:
The answer is "ratio"
Explanation:
Ratio is the quantitative relationship between the two figure that depicts that how many times that one figure is there in the another one. In order to get the ratio usually we multiply or divide the that term in the ratio by the same number. In case let us take an example if we divide the terms in the ratio 2:4 by the number 2, then we will able to get a number of or the equal ratio of 1:2. We can also say that it is comparison between the numbers.
The student is asking about simplifying fractions, which allows us to express the relative size of two numbers. Simplifying fractions involves finding the greatest common divisor and is a fundamental skill in math that also relates to understanding ratios, proportions, percentages, and unit rates.
Explanation:The subject of the question is related to understanding the concept of expressing the relative size of two numbers with the use of a fraction or a ratio. When the question notes that 24/30 is written as 4/5, it explains that the number 24 contains as many groups of 4 as the number 30 contains groups of 5. This is an example of simplifying a fraction by finding the greatest common divisor and dividing both the numerator and denominator by it, which is an essential skill in mathematics.
Fractions represent a part of a whole and are composed of a numerator and a denominator. Ratios, which can also be expressed as fractions or percentages, show the relative sizes or quantities compared to another, such as 2:1 or 4:3. A percent is a special type of ratio where the denominator is 100, commonly used in calculations involving percentages.
Proportions, unit rates, and unit scales are related concepts in mathematics that involve ratios and fractions. A proportion is an equation stating that two ratios are equivalent, and a unit rate compares two measurements with one of them being a single unit. A unit scale is especially useful in real-life applications like reading maps where it compares actual object dimensions to model dimensions.
Why do scientists publish the results of their work?
dosete
to verify their results
to form a new hypothesis
to get credit for a theory
to analyze data
Answer:
to verify their result
Explanation:
When scientists publish their results
it gives room for other scientists to test it out and see if the work is true
Bill the explorer was hiking through the Brazilian rainforest when he came upon a strange, new organism which had yet to be classified. It was small, with a mass of only 10 grams. Bill noticed the organism was covered in feathers. After further investigation, Bill discovered that although it did not fly, it had hollow bones. How should Bill best classify this organism?
Answer:
Bill should classify the organism as a bird.
Explanation:
It would be right for Bill to classify the newly discovered organism as a bird. This is because the birds are a category of animals which have feathers as well as hollow bones. As for the flying criteria, not all birds belonging to this category can fly. For example, ostrich and kiwi cannot fly but yet still belong to the category of birds, Hence, this newly found organism can be classified into birds as it has feathers and hollow bones.
T or F??
earth has an iron mantle
Modeling the Calvin Cycle Exploration
1. Glucose, a six-carbon chain, results from the output of the Calvin cycle. Did your exercise generate a glucose molecule?
2. When is glucose generated?
3. What is the chemical formula for photosynthesis?
4. Did the complete process of photosynthesis take place in the way you modeled it in this activity? Explain your answer.
Explanation:
The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
Further Explanation:
Photosynthesis is a chemical pathway, integral to plant and other primary producers producing energy. Energy is produced from light, water and carbon dioxide in the form of glucose molecules while the oxygen is emitted.
Photosynthesis, which occurs in several complex steps, is a rate-limited reaction, depends on several factors including concentration of carbon dioxide, ambient temperature, and light intensity; energy is recovered from photons, i.e. light particles, and water is used as a reducer. For those removed from photosystem II, water supplies the chlorophyll in plant cell with replacement electrons.
Therefore, water (H2O) split into H+ a by light during photolysis into H+ and OH-acts as a source of oxygen along with functioning as a reducing agent; it reduces the molecule NADP to NADPH by providing H+ ionsand produces molecules of the energy storage moleciule ATP through an electron transport chain. This occurs in the thykaloids, where pigment molecules like chlorophyll reside.
Later, in dark reactions, NADP and NADPH are used in the Calvin cycle where monosaccharides or sugars like glucose are produced after the modification of several molecules. These hold energy in their bonds, which can be released in respiration in the mitochondria.
Glucose production occurs after G3P production- a molecule of G3P, goes to the cytoplasm from the cycle, to form complex molecules and simple sugars like glucose.
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The process of creating a current in a circuit by changeing a magnetic field
Answer:
The process of creating a current in a circuit by changing a magnetic field - electromagnetic induction.
Explanation:
The electromagnetic induction discovered by Michael Faraday, is a process that generates current or voltage in a conductor by placing the conductor in a changing magnetic field.
Here, the magnetic lines of force are applying a force on the free electrons in the conductor and causing them to move. The conductor must be perpendicular to the magnetic lines of force in order to produce the maximum force on the free electrons. There is no physical connection between the conductor and the magnet and the current is said to be induced in the conductor by the magnetic field.
The direction of the induced current is determined by the direction of the magnetic lines of force and by the direction the conductor is moving in the field. The applications of electromagnetic induction include inductors, transformers, electric motors, and generators.
Final answer:
Electromagnetic induction is the process where a changing magnetic field induces a current in a conducting path, such as a wire, described by Faraday's law. Essential in many technologies, it enables the functioning of generators, transformers, and various electronic devices.
Explanation:
Electromagnetic Induction
The process of creating a current in a circuit by changing a magnetic field is known as electromagnetic induction. This phenomenon occurs when a conducting path, such as a wire, is present in a changing magnetic field, leading to the generation of an induced current. The foundational principle behind this is Faraday's law of induction, which indicates that a change in magnetic flux through a circuit produces an electromotive force (EMF), hence inducing a current.
Electromagnetic induction is the basis for many technologies we use every day. For example, it is the operating principle behind electric generators, which convert mechanical energy into electric energy. Moreover, devices like transformers, used to step up or step down voltage levels, and various consumer electronics, like credit card readers and electric guitars, rely on this principle.
Overall, electromagnetic induction is pivotal to the functionality of electrical machines and the behavior of AC circuits. It is integral not only in power generation but also in various applications such as sensing, signal processing, and energy transfer.
codominant traits in humans
Answer AND Explanation:
In man, codominance is seen in the inheritance of the ABO blood group alleles. the trait is controlled by more than two alleles for the same gene within a population. Such alleles are called multiple alleles and they occupy the same locus on homologous chromosomes.
Sickle cell anaemia is a disease of the humans which is inherited in an incomplete dominance way. The disease is transmitted through a recessive gene that leads to the synthesis of abnormal haemoglobin. In sickle cell anemia patients, haemoglobin A is entirely replaced by a different type called haemoglobin S.
How has the study of mitosis affected scientists' knowledge of cancer
The upper region of the dermis is characterized by parallel rows of tiny bumps known as:
A) Dermal papillae
B) Stratum corneum
C) Stratum germinativum
D) Blisters
The upper region of the dermis characterized by parallel rows of tiny bumps is known as dermal papillae. So the correct option is A.
What are the layers of skin?
Skin is the largest organ of the body. It protects against various agents including abnormalities of the temperature, germs, etc. It also helps in identifying the feeling of tactile sensations.
There are three layers of tissue that form the skin. These are
Epidermis - top layer Dermis - middle layer Hypodermis - bottom layer
The epidermis cells are majorly made up of the protein keratin. The dermis layer is the thickest layer forming 90% of the skin. The hypodermis is majorly made by fatty tissues.
The dermis layer is richly supplied with blood vessels, connective tissues, sweat glands, hair follicles, etc.
It has two main layers. The upper layer is called the dermal papillae and the lower layer is called the reticular dermis.
Therefore the correct option is A.
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The bases are paired by ____ bonds along the axis of the molecule.
Answer:
Hydrogen bonds
Explanation:
Hydrogen bonds
Via the hydrogen bonds all the nitrogenous bvases are joined to each other via two or three hydrogen bonds. The bases are paired by hydrogen bonds along the axis of the molecule.
What is the atomic number of hydrogen ?Hydrogen is the first element of periodic table and its atomic number is 1.
The bases are joined by hydrogen bonds. A that stands for adenine is joined to T that stands for thymine and the bonds between adenine and thymine is 2 and on the other hand C that stands for cytosine binds to G that stands for guanine.
In the structure of RNA, T that stands for thymine gets replaced with U that stands for uracil and this is having same bonds number between the nitrogenous bases as well.
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you are given samples of the substances shown in the table the samples are labeled a b c at room temperature sample a is a solid sample B is a liquid and sample c is a gas what are the identity samples a b c hint room temperature is about 20°C
Answer:
The sample a which is solid at 20°C is "Iodine"
The sample b which is liquid at 20°C is "Bromine"
The sample c which is gas at 20°C is "Chlorine"
Explanation:
Iodine : It starts melting at 113.7°C, so the solid sample found is the iodine. Iodine is present in both solid as well as in vapor state. Basically it is kept in closed jars. Only when it reaches the temperature above the melting point is starts melting.
Bromine: It is a non metallic element that is present in the liquid state, being a member of halogen group. It is heavy, mobile and dangerous reddish brown liquid. It is corrosive in nature, when comes in contact with human tissue and causes irritation in eye when comes in contact with its vapor.
Chlorine: In room temperature it is gas, as it has weak intermolecular interaction which fails to keep the molecules closely attached.
The physical state of a substance at room temperature depends on its atomic or molecular properties. From the given information, Sample A could be Iodine (solid), Sample B could be Bromine (liquid), and Sample C could be Chlorine (gas). However, the actual identity of the samples could vary and rely on knowing the physical state of various elements and compounds at room temperature.
Explanation:The nature of substances at room temperature, typically around 20°C, determines whether substances are solid, liquid, or gas. For instance, the nature of certain substances at room temperature is as follows:
Iodine (I2) is a solid Bromine (Br2) is a liquid Chlorine (Cl2) is a gas
From this information, we can infer that sample A (solid at room temperature) could be Iodine, sample B (liquid at room temperature) could be Bromine and sample C (gas at room temperature) could be Chlorine.
Note that this is a general example, the actual identity of the samples can vary as many substances can exist as solids, liquids, and gases at room temperature. The key to identifying the samples is understanding the physical states of elements and compounds at room temperature.
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What’s a geographic variation in fossil record?
Answer:
Geographical variation refers to differences among populations in genetically based traits across the natural geographic range of a species. ... In the simplest case, we divide these factors into purely genetic versus environmental components to tease apart their relative contributions to observed phenotypic variation.
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Which process releases the greatest amount of ATP?
Question 12 options:
alcoholic fermentation
cellular respiration
lactic-acid cycle
photosynthesis
cellular respiration releases the greatest amount of energy or ATP.
Explanation:
In cellular respiration 38 ATPs in the process. 4 molecules of ATP are formed in glycolysis, 32 molecules in Oxidative phosphorylation.
alcoholic fermentation: 2 ATP is formed
lactic acid cycle: 2 ATP is formed
photosynthesis: does not produce ATP instead ATP formed from the glucose formed is used in the process.
Cellular respiration (correct answer)releases the greatest amount of ATP. Compared to alcoholic fermentation, the lactic-acid cycle, and photosynthesis, it is the most efficient process for ATP production.
Explanation:The process that releases the greatest amount of ATP is cellular respiration(correct answer). Cellular respiration is a set of metabolic processes that take place within the cells of organisms to convert biochemical energy from nutrients into ATP, and then release waste products. The reactions involved in respiration are catabolic reactions, which break down large molecules into smaller ones, releasing energy in the process.
Alcoholic fermentation, the lactic-acid cycle, and photosynthesis all produce ATP, but not as much as cellular respiration. Alcoholic fermentation and the lactic-acid cycle are both anaerobic processes, which do not use oxygen and consequently generate ATP less efficiently. Photosynthesis, while crucial to life on Earth, consumes energy to build complex molecules and supports the energy needs of cells indirectly.
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cellular respiration mind map
Answer:
first, let's begin with plants they take in sunlight, water, and carbon then they turn that into glucose a by-product is oxygen so oxygen is released as the process of photosynthesis after you have that then we can get to animal process the animal breaths in give the lungs oxygen from the plants as the animal uses the oxygen it turns it into a by-product as well normally carbon we do this just to make ATP to function and you can feel how bad it is when your muscle cells don't have oxygen fully.
Explanation:
sunlight, water, and carbon are absorbed by a plant to make glucose then the animal absorbs the oxygen to do basic functions and release carbon and the process begins anew.
Why is "Which of the Great Lakes is the largest body of water?" a good scientific question
It can be answered through an investigation.
It has a simple yes or no answer.
It has a wide focus.
It leads to an untestable hypothesis.
It can be answered through an investigation.
Explanation:
The question ''Which of the Great Lakes is the largest body of water'' is a good scientific question because it is a question that can be answered through investigation. To answer this question, a scientist, or a person that has it as an interest simply needs to go on terrain and do the research, or can simply acquire data that is already collected. Through it, it can be determined which of the Great Lakes is the largest body of water, which is the second largest etc.
The five Great Lakes are:
Lake SuperiorLake HudsonLake MichiganLake ErieLake OntarioThere are five lakes that consist the Great Lakes, and all of them have formed in the same period and through the same process. The lakes all have glacial origin, and all of them have formed when the last Ice Age ended. The largest of the Great Lakes is Lake Superior, while the smallest is Lake Ontario.
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Answer:
A is the answer :)
Explanation:
People have always had questions about the world around
them. The goal of
is to answer these questions
by obtaining and analysing evidence.
Answer:
Yes, man has been curious about the world and his existence since the beginning, Due to this curiosity, man has always tried to solve the mystery of life. With the passage of time, the observation and discoveries of man led him to reach to all the modern advances which can be seen today in the world. Today, man has a better knowledge about his existence and the existence of life on Earth. Although a lot has yet to be discovered but we have been able to solve a lot of the mystery of the earth.
Final answer:
The goal of science is to answer these questions by obtaining and analyzing evidence.
Explanation:
Science is a distinctive way of gaining knowledge about the natural world that tries to answer questions with evidence and logic. Scientists develop hypotheses to explain observations and conduct experiments to collect evidence to support or disprove their hypotheses.
People examine and ask questions about the world in various ways beyond science, such as through history, social studies, and personal experiences. We all have a natural curiosity to understand the world around us and to seek explanations for phenomena we encounter.
Scientific investigations start with curiosity and observation of something not understood. Scientists gather evidence through observations and rely on the scientific method to answer questions by conducting experiments and analyzing data.
Which of the following chemical structures can form hydrogen bonds with water? Methane (CH4), molecular oxygen (O2), hydrogen sulfide. explain
Answer: Molecular Oxygen (O2) and Hydrogen Sulfide.
Explanation:
A hydrogen bond is defined as the electrostatic attraction between an electrically negative atom and a hydrogen atom attached by a covalent bond to another electronegative atom. This bond is strong due to the number of atoms that bind, but weaker than a covalent bond or an ionic bond.
The atoms with the most significant negative electrical force are oxygen, fluorine, and nitrogen.
An example of a chemical structure formed by a hydrogen bond is water. The water is formed by two hydrogen atoms and one oxygen atom. Due to the majority of hydrogen atoms present in the water structure, it is possible to join other molecular structures such as fluorine.
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Hydrogen sulfide can potentially form weak hydrogen bonds with water due to the presence of hydrogen atoms bonded to an electronegative sulfur atom, whereas methane and molecular oxygen cannot participate in hydrogen bonding with water.
Explanation:A hydrogen bond is a type of intermolecular force that occurs when a hydrogen atom, covalently attached to a highly electronegative atom such as nitrogen (N) or oxygen (O), is attracted to a lone pair of electrons on another electronegative atom in a neighboring molecule. Among the substances listed (methane (CH4), molecular oxygen (O2), and hydrogen sulfide), hydrogen sulfide has the potential to form hydrogen bonds with water because it contains hydrogen atoms directly bonded to an electronegative sulfur atom. Methane, on the other hand, consists of hydrogen atoms bonded to carbon, which is not sufficiently electronegative to create hydrogen bonds. Molecular oxygen does not have hydrogen atoms and thus cannot participate in hydrogen bonding as a hydrogen bond donor. However, it is important to note that hydrogen sulfide's hydrogen bonding is much weaker compared to that of water due to the lower electronegativity of sulfur compared to oxygen. This affects the degree to which hydrogen sulfide can form hydrogen bonds with water.