Answer:
Physical environment is the sum of all abiotic (non-living) elements such as water, air (gases), minerals, etc. In a physical environment, total amount of matter remains same but it may changes its state. Physical environment provides shelter, food and energy to the living organisms.
Biological environment includes all forms of life that interact closely with the abiotic elements and perform biogeochemical activities for their own growth and survival. In short, biotic entities directly depend on the elements of physical environment.
22 POINTS AND BRAINLIEST
Which types of cells remain in the body, ready to attack a pathogen that re-enters the system? A. memory T and B cells B. pathogenic cells C. macrophage D. antigens
Answer:
The correct option is option "B"
Explanation:
pathogenic cells
Pathogen reenters in the body after a time the immune system recognizes the pathogen and creates a secondary immune response, hence a option memory T cells and B cells attack the pathogen is correct.
What is an immune response?When an antigen enters the body, an immune response is created against the antigen, the antigen may bacteria, viruses, and pathogens.
When the first time a pathogen is encountered by the host immune system, the host creates a primary immune response which is in a lower amount. But when after a period of time when the same pathogen encounters it creates a secondary immune response.
The secondary immune response is done by the B cells and memory T cells which is generated in the primary immune response when a pathogen first time encounters.
Therefore memory T cells and B cells are ready to attack pathogen reenter, hence option a is correct.
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When two hydrogen atoms are smashed together creating helium atoms and energy, what is occurring?
Answer:
NUCLEAR FUSION
Explanation:
A nuclear fusion reaction is so named because the nuclei (center) of atoms fuse (join) together in the process. In stars like our Sun, hydrogen atoms join together to create a helium atom. Nuclear fusion reactions need a lot of energy to get started. Once they begin, they produce even more energy
Nuclear fusion is the process where hydrogen atoms combine to form a helium nucleus, releasing energy. This energy is produced due to the mass discrepancy between the initial hydrogen atoms and the resulting helium, and it's the same reaction that powers the Sun.
When two hydrogen atoms are smashed together creating helium atoms and energy, a process called nuclear fusion is occurring. In the Sun's core, this process begins with two protons fusing to form a deuterium nucleus, an isotope of hydrogen with one proton and one neutron. Through a series of reactions, including the proton-proton chain, four hydrogen nuclei eventually combine to create a single helium nucleus and energy. The energy released is due to the mass difference between the reactants (hydrogen) and the products (helium), following Einstein's mass-energy equivalence principle, E=mc².
This fusion process releases energy because the mass of the helium nucleus is less than the total mass of the four hydrogen nuclei. The excess mass is converted into energy, which is emitted in the form of photons (light energy) and other particles. This process is the same that powers the Sun, providing light and warmth to our planet.
The world's high rate of coal consumption is causing many negative impacts on the environment. Solving this problem involves a combination of different tactics. Which of the following is not a conservation tactic that would help solve the problems related to coal consumption?
A - Improving technology related to wind energy
B - Replanting forests
C - Increasing the usage of pollution filters in coal power plants
D - Building new power plants to increase the strange the storage space for coal
According to a report coal consumption was 8,561,852,178 tons in 2016. For solving this problem, one can go for replanting forests, increasing usage of pollution filters and improving technologies of wind energy.
What is the effects of coal consumption?Coal combustion can result in acid rain due to sulfur dioxide present in it, respiratory illness due to nitrogen oxide, etc.
For preventing such things, one can go for
Use of solar cooker.Replanting forests.Using pollution filters in coal power plant.Improving technologies related to wind energy.Thus, option D is correct.
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The correct answer is D - Building new power plants to increase the storage space for coal.
Explanation:The correct answer is D - Building new power plants to increase the strange the storage space for coal.
Building new power plants to increase storage space for coal is not a conservation tactic that would help solve the problems related to coal consumption. This option actually promotes the use of coal, which contributes to the negative impacts on the environment.
On the other hand, the other three options mentioned in the question are conservation tactics that can help solve the problems related to coal consumption:
Improving technology related to wind energy - Increasing the use of wind energy can reduce reliance on coal and its negative environmental impacts.Replanting forests - Forests act as carbon sinks, absorbing carbon dioxide and helping to mitigate the effects of coal emissions.Increasing the usage of pollution filters in coal power plants - Using pollution filters can help reduce the release of harmful pollutants from coal power plants.the test request form for microbial studies should conain what?
Answer: Microbiology is the study of microorganisms, which are unicellular or cell-cluster microscopic organisms. This includes eukaryotes such as fungi and protists and prokaryotes such as bacteria and certain algae. Viruses are also included.
Explanation:
Final answer:
The test request form for microbial studies should include comprehensive details like Gram Stain Results, Metabolic Test Results, sample labeling, and colony characteristics to aid in the accurate study and identification of microorganisms.
Explanation:
The test request form for microbial studies should contain several critical pieces of information to ensure accurate identification and characterization of microorganisms. Key elements to include in the form are:
Gram Stain Results: A detailed description of the color, Gram reaction, morphology, and arrangement of the bacteria. This should include a photograph or a color drawing when possible.Metabolic Test Results: Summarized data from the metabolic tests performed, detailing observations such as colors and bubbles, interpretation of positive or negative results, and the associated metabolic processes.Clear labeling of samples and plates, including details such as the surface examined, the date of inoculation, and any relevant environmental conditions or controls.Data regarding colony characteristics such as form, elevation, margin, color, and diameter, in addition to results from various tests performed.These details are crucial for the proper identification and study of microbes, and should be recorded methodically as per the instructions given during laboratory sessions. Utilizing tools like the Microbiology Review site on Blackboard can aid in cross-referencing and validating results.
PLZ HELP
Which vaccine protects against the chicken pox? A. Hep A B. DTaP C. MMR D. varicella
Answer:
The correct answer is option "C"
Explanation:
Since 2005, the vaccine has also been available as part of a combination vaccine called MMRV
Answer: C. MMR
Explanation: This vaccine also protects against other diseases such as varicella.
[tex]\textit{\textbf{Spymore}}[/tex]
Which of the following is an example of point-source pollution?
A. Fertilizer from agricultural runoff
B. Water from a sewage treatment plant
C. Salt from roads
D. Acid from abandoned mines
Answer:
B. Water from a sewage treatment plant
Explanation:
Point source water pollution refers to contaminants that enter a waterway from a single, identifiable source, such as a pipe or ditch. Examples of sources in this category include discharges from a sewage treatment plant, a factory, or a city storm drain.
The study about the living being is called biology.
The correct answer is option B that is Water from a sewage treatment plant
What is pollution?Any things which make our environment dirty is called a pollutant.What is point source pollution?Point source water pollution refers to contaminants that enter a waterway from a single, identifiable source, such as a pipe or ditch. Examples of sources in this category include discharges from a sewage treatment plant, a factory, or a city storm drain.In domestic sewage, all the waste from different sources will collect at one single point.
Hence, the correct answer is B.
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What is the intertidal zone?
A) Where the ocean meets fresh water
B) Where the ocean meets the land
C) Where the ocean meets a tide
D) Where the ocean meets a reef
Answer:
The answer here is B.
Hope this helps!!
Blood typing was used to help resolve a paternity dispute. The mother has Type A blood, the child has type O, one potential father (Mr. Brown) has type B blood, and the other potential father (Mr. Williams) has Type AB. Whose the father?
If im not wrong the father would be Mr Williams because type ab and o have some similarities compared to b
he correct answer is Mr. brown
The mother gas AO genotype the father has BO genotype which which 25% probability gives us a child with OO genotype.
An increased greenhouse effect and the depletion of the ozone layer are two examples of
Hi!
I’m not 100% sure but I think it is the global warming since increased reenhouse effect leads to a warmer climate and that’s what the global warming is.
Anyways, I hope it helped!
An increased greenhouse effect and the depletion of the ozone layer are examples of global climate change. These are largely driven by human activities, in particular, the emission of greenhouse gases, such as carbon dioxide, which trap heat in our atmosphere, causing global warming. Depletion of the ozone layer, mostly caused by human-made chemicals, reduces Earth's natural protection against harmful ultraviolet rays.
Explanation:The increased greenhouse effect and the depletion of the ozone layer are two examples of global climate change and environmental issues that are primarily driven by human activities. The greenhouse effect refers to the warming of Earth due to the increasing levels of atmospheric carbon dioxide and other greenhouse gases in the atmosphere. These gases absorb and emit radiation, thus trapping heat in Earth's atmosphere, causing global warming.
The depletion of the ozone layer is another important environmental concern. Damage to the ozone layer is mostly caused by human-made chemicals, such as chlorofluorocarbons (CFCs), which reduce the layer. This can reduce the protection we have against the sun's harmful ultraviolet rays.
Both these issues lead to broader impacts on global ecosystems, affecting various species and altering global weather patterns. It's also worth noting that these impacts can be intensified by other environmental issues such as pollution, deforestation, and industrial farming which also contributes to greenhouse gases emissions.
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PPLLLZZ HELP!!!!
the characteristics of certain cell divisions are described in the following table which type of cell division do the two characteristics represent???
characteristic 1 forms diploid cells
characteristic 2 creates sex cells or gametes
A those characteristics represent meiosis.
B both characteristics represent mitosis.
C characteristic 1 represents meiosis and characteristic 2 represents mitosis.
D characteristic 1 represents in mitosis and characteristic 2 represents meiosis.
Final answer:
Characteristic 1 corresponds to mitosis, which forms diploid cells, while characteristic 2 corresponds to meiosis, which creates gametes or sex cells.
Explanation:
The two characteristics presented in the question describe two different processes of cell division:
Characteristic 1 forms diploid cells.
Characteristic 2 creates sex cells or gametes.
In the context of cell division, mitosis is a process that results in two daughter cells that are genetically identical to each other and the original parent cell. These daughter cells are diploid, meaning they have the same number of chromosome sets as the parent cell, which for most animals and plants is a pair of each chromosome type. Meiosis, on the other hand, is a two-round division process that produces four daughter cells that are haploid and genetically diverse. These haploid cells are the gametes or sex cells, having half the number of chromosomes as compared to the parent cell.
Therefore, the correct answer to the question is that characteristic 1 represents mitosis, where diploid cells are formed, and characteristic 2 represents meiosis, which creates gametes or sex cells.
In each example, the hydrosphere is interacting with another subsystem of Earth. Identify the other subsystem.
1. Carbon dioxide in
the air dissolves in
ocean water.
2. Flowing water
dissolves a variety
of minerals.
3. Transpiration is
a process in which
water evaporates
from the leaves
of plants.
4. Lightning allows
nitrogen atoms to
dissolve in rain.
A. Atmosphere
B. Geosphere
c. Biosphere
The correct matches are:
1. Carbon dioxide in the air dissolves in ocean water - Atmosphere
2. Flowing water dissolves a variety of minerals - Geosphere
3. Transpiration is a process in which water evaporates from the leaves of plants - Biosphere
4. Lightning allows nitrogen atoms to dissolve in rain - Atmosphere
All of the natural cycles interact with more than one sphere, very often with all of them. This is the case with the water cycle, thus the basis of the hydrosphere. The water cycle is a cycle through which the water interacts with all other spheres. The water is used, stored, and released by the flora and fauna, thus it interacts with the biosphere. It is interacting with the geosphere by eroding the rocks. It moves through the atmosphere where it can become a form of precipitation, as well as interact with other substances, thus interact with the atmosphere as well.
Answer:
1- Atmosphere
2- Geosphere
3- Biosphere
4- Atmosphere
Explanation: Got it right on test
Explain the water cycle using the terms condensation, evaporation, and precipitation.
Answer:
The water cycle is also known as the hydrological cycle. It shows how water is circulated continuously within the atmosphere of the Earth.
Evaporation is the process where water, when heated, goes from the liquid to gaseous state in the form of vapor. This is how water gets from the geosphere to the atmosphere. As the vapor rises, the air around it gets cooler, and this is where condensation occurs. Condensation is the process where vapour will turn into its liquid state. As more vapour condense they start to form clouds. When the cloud gets dense enough, the water falls back to Earth through precipitation.
Greenhouse gases trap _____.
A. Visible Spectrum Radiation
B. Carbon Dioxide
C. UV Radiation
D. Infrared Radiation
Answer:
B
Explanation:
Answer:
B carbon dioxide
Explanation:
Which of the following describes an independent variable
Answer:
D. The variable in an experiment that is manipulated by the scientist.
Explanation:
The independent variable is what is purposely changed or controlled to see what the effect is.
Hope this helps!
Answer:
the variable is an experiment that is manipulated by the scientist
Explanation:
A pex
All organisms contain _____ and require it to survive
A. Helium
B. Carbon
C. Zinc
D. Polonium
Answer:
Carbon
Explanation:
Carbon is the most essential element to make organic compounds found in all organisms.
That's why carbon dating technique is used to know the age of fossils of any organisms.
This is an acute contagious disease of the upper airways and lungs, caused by a virus, which rapidly spreads around the world in seasonal epidemics
Answer:
Seasonal influenza
Explanation:
Answer:
influenza. Your welcome :)
PLEASE BE A KIND HUMAN AND HELP ME PLEASE ITS URGENT im freaking outPLEASE BE A KIND HUMAN AND HELP ME PLEASE ITS URGENT:There is a small village in a mountain valley in Spain whereum
number of people are polydactyl (have more than five fingers or toes).
one
Why does this trait tend to be passed on from generation to generation?
Polydactyly, or the presence of more than five fingers or toes, can be caused by a genetic mutation, which is why it can be passed down from generation to generation as it is hereditary.
What is polydactyly?Polydactyly is a condition in which an individual has more than five fingers or toes on their hands or feet. This condition can be caused by a genetic mutation, which is a change in the DNA sequence of a gene. In the case of polydactyly, the mutation may result in the formation of extra digits during development. When a genetic mutation occurs, it can be passed on to an individual's offspring through their genes. This means that if an individual with polydactyly has children, there is a chance that their children will also have the condition.
Hence, polydactyly, or the presence of more than five fingers or toes, can be caused by a genetic mutation, which is why it can be passed down from generation to generation as it is hereditary.
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Mass graves are often the result of _____.
local criminals
genocide
world politics
taphonomy
Answer:
I think the answer is genocide.
Answer:
genocide
Explanation:
I think it's the answer
(03.02 LC)Which of the following correctly describes the Law of Conservation of Energy?
Energy can be created but cannot be destroyed.
Energy cannot be created but can be destroyed.
Energy can be created or destroyed.
Energy cannot be created or destroyed.
Answer:
Energy cannot be created or destroyed.
Explanation:
Energy may be defined as the quantitative property that provides the capacity to do any work. Energy can be present in the different forms. The S.I. unit of the energy is joules.
Energy follows the law of conservation. According to this law, the energy can neither be created and it cannot be destroyed. The energy changes from one form to the another form.
Thus, the correct answer is option (4).
0
If you wanted to find a region rich in a particular type of rock, which type of map would you use
Geologic maps dat r use...
Answer:
The correct answer is geologic map.
Explanation:
The geologic maps are specifically suited to solve the issues comprising Earth's hazards, resources, and surroundings. The geologic maps signify the distribution of surficial deposits and various kinds of rocks, as well as the positions of the geologic compositions like folds and faults. Thus, if one wants to locate an area, which is abundant in a specific kind of rock, then he or she has to use a geologic map.
widespread effect on the worldwide ecosystem are called ________?
Answer:
global change
If an oil spill destroys a coral reef what kind of succession might eventually restore it
Answer:
Secondary succession
Explanation:
Which group can best be described as a population?
More than one of the same organism
The woolly mammoth lived during the Ice Age. Why did it become extinct?
Answer:
There's evidence that humans hunted mammoths and it was previously thought the mammoth may have driven to extinction by hunters. But scientists analysed the dozens of mammoth fossils and now think rising temperatures melting the mammoths' habitat drove them to extinction.
Explanation:
what do proteins, carbohydrates, lipids have in common?
Answer:
One of the biggest similarities among carbohydrates, proteins and fat is that all three break down into identical compounds. When you burn nutrient molecules for energy -- regardless of whether you're burning monosaccharides from carbohydrate, amino acids from protein, or fat -- you produce small molecules called acetyl-CoA. You then continue to burn the acetyl-CoA, eventually producing the waste products carbon dioxide and and water.
Answer:
They are all formed from the same elements
Explanation:
Which is the correct pathway of a protein through a cell as it is being made?
A) Golgi apparatus, ribosome, mitochondria
B)Nucleus, ribosome, Golgi apparatus
C)Golgi apparatus, ribosome, rough endoplasmic reticulum
D)Nucleus, smooth endoplasmic reticulum, Golgi apparatus
Answer:
rough ER → ER-to-Golgi transport vesicles → Golgi cisternae → secretory or transport vesicles → cell surface (exocytosis) (see Figure 17-13) so I think c but im 50% sure
Explanation:
I hope this helps and if not here's a picture but this is all i can do right now
Protein synthesis can be defined as the process of the production of proteins in the cell which involves transcription, translation, and post-translational modifications.
The cell organelles that are involved in the process of protein synthesis after the formation of mRNA in the correct order are as follows:
Nucleus ⇒ Ribosome ⇒ Golgi apparatus
Nucleus - The mRNA containing the information about the formation of protein is formed in the nucleus.
Ribosome - The mRNA attaches to the ribosome where the amino acids are added in a long chain to form the protein.
Golgi Apparatus - The golgi apparatus 'tags' the proteins.
Hence, the correct answer is option B.
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Match the description of each organism to the appropriate category
I’ll help if u send the options:)
Taxonomy is the branch of biology dealing with the classification of organisms. The scientific name of an organism includes its genus and species, using a system called binomial nomenclature. The system categorizes life from broad classes to very specific species, a method developed by Carl Linnaeus.
Taxonomy and Classification in Biology
In the field of biology, the classification of organisms is a fundamental activity. Taxonomy is the branch of biology that is concerned with the naming, grouping, and classifying organisms based on shared characteristics. The scientific name of an organism includes its genus and species, which are parts of a hierarchical system that organizes life into categories such as domain, kingdom, phylum, class, order, family, genus, and species. This system was developed by Carl Linnaeus, who is also known as the inventor of the modern classification system. This system of nomenclature is known as binomial nomenclature. A species is defined as a group of organisms capable of interbreeding and producing fertile offspring. Matching instructions require pairing organisms to their corresponding taxonomic groups or environmental niches.
When undertaking laboratory exercises in microbiology, it's important to study specimens, use dichotomous keys for identification, and understand the organism's placement within the taxonomic structure. Diagrams of classification categories assist in understanding the organization and relatedness of different organisms.
For example, in an experiment matching bacteria to their preferred environment, students must draw on their knowledge of both taxonomy and the ecological characteristics of different bacterial species. It's a detailed process that combines morphology, genetic analysis, and environmental factors for accurate classification.
Plz help asap} In the respiration equation, does energy act as a reactant or a product? Explain
Answer:
product
Explanation:
You're moving into a new apartment and trying to fit your large chair through the doorway. Your friend, who is helping you move, suggests rotating the chair a different way and seeing if it fits. However, you remember that the last time you moved the chair, it must first be reclined in order to fit through the doorway. Which choice below correctly identifies the learning strategies that you each are using in this example?
A. Your friend is demonstrating trial-and-error, and you're demonstrating imprinting.
B. Your friend is demonstrating insight, and you're demonstrating trial-and-error.
C. Your friend is demonstrating trial-and-error, and you're demonstrating insight.
D. Your friend is demonstrating insight, and you're demonstrating imprinting.
Answer:
The correct answer is option C, that is, your friend is demonstrating trial-and-error, and you're demonstrating insight.
Explanation:
Trial and error refer to learning something at the time of imparting various options until the accurate one comes up, while insight refers to acquiring something from the previous experience and imparting it afterward. The four different forms of learning dealt in psychology are conditioning, imprinting, trial-and-error learning, and insight learning.
Answer:
option c is the correct answer
What type of lipid is estrogen? steroid phospholipid triglyceride wax
estrogen is steriod lipid
Answer:
Choice A
Explanation: