The answer is: B. I, III, and IV only
Explanation:
Pollution effects the earth in many way's, but some are the few are:
- Gobal warming: Where the earth's overall temperature is hotter then average.
- Acid rain: When pollution that's in the air mixes with precipitation.
- Ozone depletion: Where the Ozone is being worn down.
Those are some of the effect's of Pollution.
Which that being said, the answer would be B) I, III, IV.
I hope this helps! :)
-LizzyIsTheQueen
Pollution contributes to global warming, acid rain, and ozone depletion, but it does not cause an increase in human population size. Hence, the correct answer to the question is option B, which includes I, III, and IV.
Explanation:The question asks about the effects of pollution and includes options such as global warming, an increase in human population size, acid rain, and ozone depletion. Pollution undoubtedly contributes to global warming by increasing the concentration of greenhouse gases in the atmosphere. Acid rain is also an effect of pollution caused by the emission of sulfur and nitrogen compounds into the atmosphere. Ozone depletion, mainly caused by chlorofluorocarbons (CFCs), is another outcome of pollution. Nevertheless, an increase in human population size is not an effect of pollution. Therefore, the right answer should be option B. I, III, and IV only, which includes global warming, acid rain, and ozone depletion.
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5) Which of the following statements describes the movement of air in general?
-from south to North
-from low pressure to high pressure
-from high pressure to low pressure
-from north to south
The best statement which describes the movement of air, in general, is that air moves from high pressure to the low pressure area. Hence, option C is correct.
What is Air?The atmosphere of Earth is referred to as air. There are several gases and microscopic dust particles in air. It is the transparent gas that all living things breathe. Its volume and shape are ambiguous. Since it is matter, it has mass and weight. Atmospheric pressure is produced by the air mass. In space, there is no air.
Approximately 78% of the gases in air are nitrogen, 21% are oxygen, 0.9% are argon, 0.04% are carbon dioxide, while there are extremely tiny amounts of many other gases. There is typically 1% or less water vapor present.
Animals need to breathe oxygen into the air in order to survive. When someone breathes, their lungs exchange carbon dioxide for oxygen in the blood.
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Which of the following is the smallest single component of a typical soil? (2 points)
Gases
Minerals
Moisture
Organic material
Answer: Gases
Explanation: At first, I assumed minerals because I hadn't written them down as one of the materials composed of sediment. I then realized that so much of soil is a solid, you can see it. So, the smallest component would be the one component that you can't see, which is gas.
Why does an orbiting satellite's speed remain constant?
Why does an orbiting satellite's speed remain constant?
A) The satellite is programmed to remain at a constant speed.
B) The satellite will constantly change direction and speed as it orbits.
C) The gravity of the earth is a parallel force which only affects direction, and not speed.
D) The gravity of the earth is a perpendicular force which, affects direction and not speed.
Final answer:
An orbiting satellite's speed remains constant because gravity acts as a centripetal force, only changing its direction without affecting speed, a consequence of conservation of angular momentum and mechanical energy in a stable orbit free from atmospheric friction.
Explanation:
The reason an orbiting satellite's speed remains constant can be best explained by Newton's laws of motion and understanding of gravity. While it's true that satellites change direction as they orbit, the force of gravity, which is directed toward the center of the Earth, only affects the satellite's direction and not its speed when in a stable orbit. This happens because gravity acts as a centripetal force, effectively pulling the satellite inward to keep it in orbit, while the satellite's inertia keeps it moving forward. This results in a constant speed since the force of gravity does not do work on the satellite to change its tangential or orbital speed.
When analyzing the behavior of satellites with respect to their orbits, we observe that their orbital velocity decreases as they move to larger orbits, whereas the change in potential energy increases, which is evidence of the conservation of mechanical energy. The speed is greatest at the periapsis (closest point to Earth) and least at apoapsis (farthest point), as the conservation of angular momentum dictates that the product of radial distance and tangential speed must remain constant.
Satellites in orbit behave in the same way that natural satellites, like the Moon, do. If they are high enough to avoid atmospheric friction, they will maintain their orbits indefinitely without additional energy input, thanks to the balance between gravitational force and their inertial motion.
what is common to the carbon cycle,the nitrogen cycle and the water cycle?
The carbon, nitrogen, and water cycles are all biogeochemical cycles that recycle essential elements through ecosystems, involving both living entities and environmental factors.
Common to the carbon cycle, the nitrogen cycle, and the water cycle is their role as biogeochemical cycles. These cycles are essential in recycling vital elements and compounds through both living (biotic) and non-living (abiotic) components of ecosystems. In each cycle, elements such as carbon, nitrogen, and water continuously flow between organisms and the environment, playing a crucial role in sustaining life.
For instance, the nitrogen cycle recycles nitrogen through the biosphere, essential for proteins and nucleic acids. Nitrogen becomes usable to plants and animals through processes like nitrogen fixation, which breaks down the strong triple bonds of nitrogen gas. The water cycle involves water changing states and moving between various reservoirs like rivers, oceans, and the atmosphere. Similarly, carbon is rapidly cycled through cellular respiration and photosynthesis, contributing to the carbon found in food chains. All these cycles demonstrate how interconnected the movements of elements are with the functions of the larger ecosystems.
Jordan notices that the bottom part of a cliff is worn away. Why is the cliff worn away the most near or under the level where the water is?
The bottom part of a cliff is worn away primarily due to erosion by water, which exerts a physical force that breaks down the rock over time.
Explanation:Jordan notices that the bottom part of a cliff is worn away the most near or under the level where the water is. This phenomenon is largely due to the process of erosion, where water flow exerts physical force on the rock, gradually breaking it down and carrying away the particles. This can create smooth surfaces and stepped pools, much like the ones seen in Pant Glas, Scotland. Over time, these forces cause more wear at the lower levels of the cliff where water has consistent contact, leading to an undercutting effect and the formation of features such as the 'The Wave' in the Vermillion Cliffs. Similar processes are observable on Mars, where gullies change with the seasons, likely due to flowing water or sediment.
Final answer:
The bottom part of a cliff is worn away the most at the level where water is due to erosion, which is caused by the constant flow and pressure of water that cuts and shapes the rock over time.
Explanation:
Jordan notices that the bottom part of a cliff is worn away the most near the level where the water is. This is primarily due to erosion, a natural process by which water flow removes soil, rock, or dissolved material from a landscape and then transports it elsewhere. As the constant flow of water interacts with the base of a cliff, it can cut the rock smooth and create features such as small stepped pools, much like the patterns that are observed in 'The Wave' Formation of Vermillion Cliffs. Over time, this erosive action can significantly wear away the rock at the water level. This is particularly evident where flowing water, like rivers or waves, has consistent contact with the rock, resulting in the undercutting and weakening of the cliff base, which can lead to parts of the cliff above to collapse or crumble as well.
How the structure of a lipid influences the lipids function
Hi there,
The structure of a lipid influences the lipids function by A phospholipid has a charged head and an uncharged tail and lipids contain fatty acids and glycerol.
Lipids are excellent energy reserves.
Hope this helped :)
have a great day
Final answer:
The structure of lipids influences their function, with saturated and unsaturated fatty acids affecting membrane fluidity, phospholipids forming cell membranes due to their amphipathic nature, and steroids like cholesterol maintaining membrane fluidity.
Explanation:
The Structure-Function Relationship of Lipids
Lipids are a diverse group of compounds essential for various biological functions. The structure of lipids greatly influences their role within living organisms. One of the four major types of lipids is fatty acids, which can be saturated or unsaturated. Saturated fatty acids, due to their straight chains, can pack closely together and are typically solid at room temperature. In contrast, unsaturated fatty acids have one or more double bonds that create kinks in the chains, preventing tight packing and thus are usually liquid at room temperature. This structural difference affects the fluidity and flexibility of cell membranes.
Phospholipids have a phosphate group making their head polar (hydrophilic) and their tails nonpolar (hydrophobic), which allows them to form the lipid bilayer of cell membranes, providing a barrier and contributing to the membrane's fluid nature.
Another class of lipids is steroids, including cholesterol. The basic structure of a steroid is four interconnected rings of carbon atoms, which differ from the long chains of fatty acids. Cholesterol, for example, helps maintain the plasma membrane's fluidity by preventing the fatty acid chains from packing too closely in animal cells.
These structures enable lipids to carry out specific functions such as energy storage, insulation, and hormone production, demonstrating the critical relationship between the structure and function of lipids in living organisms.
In some systems, energy will transform from one form to another. Which of the following is an example of electrical energy bei transformed to both kinetic energy and sound energy?
A.) a television showing a movie
B.) a tree falling in the woods
C.) a remote control car being operated
D.) a radio playing music
Which of the following best explains why the sequence of amino acids affects a protein's shape?
the bonding within a protein depends on the sequence of amino acids
the molecular weight of a protein depends on the sequence of amino acids
the type of atoms within a protein depends on the sequence of amino acids
the number of cells within a protein depends on the sequence of amino acids.
I believe it is:
the bonding within a protein depends on the sequence of amino acids
Because proteins have multiple structures whether it is primary, secondary, tertiary, etc., and they vary based on the bonds such as dipeptide.
How can an astronaut weigh different amounts when in different locations
Where is your age represented on the tables and on the graphs
what is the definition of glycosis?
Mendelian inheritance states that traits are determined when offspring receive for each trait from . Traits can be , which means they can be seen and are capable of masking a different trait. Traits can also be , which means they can be masked. Alleles are different versions of the same in an organism.
Answers:
Mendelian inheritance states that traits are determined when offspring receive alleles for each trait from Parents.Explanation:
As per Mendel, all the traits which are present in an offspring are determined by specific genes which exist in alternate forms called alleles. For example: The height of a plant is a trait which is determined by alleles T for tall height and t for small height of same gene. The organisms acquire these alleles from parents (one allele from each parent).
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Traits can be Dominant which means they can be seen and are capable of masking a different trait.Explanation:
Dominant trait means when only a single dominant allele for the trait in an organism is enough for the organism to depict the trait. For example: In pea plant, purple flower color is a dominant trait over white. So any plant who contains only one dominant allele for purple (allele P) will have purple flowers but all plants that have two pp alleles will have recessive trait i.e White flowers.
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Traits can also be Recessive which means they can be masked.As mentioned in above example, white flower color of pea plant is a recessive trait. Recessive means that if a plant has one copy of recessive and one copy of dominant allele, the dominant allele will suppress or mask the effect of dominant allele. Example is the above case of flower color when a plant with genotype Pp will have purple but not white flowers.
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Alleles are different versions of the same gene in an organism.Alleles are just alternate forms of a gene. For example if a plant height is determined by a gene L, it has two forms capital L and small l which are alleles of same gene. But capital L is for tall height and small l is for short height.
Hope it help!
Answer:
Mendelian inheritance states that traits are determined when offspring receive
✔ one allele
for each trait from
✔ each parent
.
Traits can be
dominant
, which means they can be seen and are capable of masking a different trait.
Traits can also be
recessive
, which means they can be masked.
Alleles are different versions of the same
✔ gene
in an organism.
Explanation:
2020 edu
How is plastic made?
Plastic is taken from the natural, organic substances called Cellulose, Coal, Natural Gas, salt and Crude oil.
Plastics are synthetic polymers that are most often made from petrochemical hydrocarbons.
Extraction of Raw Materials: The primary raw materials for making plastic are natural gas, crude oil, and coal. These materials contain hydrocarbons, which are crucial for the formation of plastic polymers.
Refining and Cracking: The raw materials are refined to separate the hydrocarbon molecules. In a process called cracking, large hydrocarbon molecules are broken down into smaller ones, often resulting in ethylene and propylene, which are essential monomers for plastic production.
Polymerization: The monomers are subjected to chemical processes like polymerization, where they are bonded together to form long chains of polymers. There are different methods of polymerization, such as addition polymerization and condensation polymerization.
Pelletizing: The polymer chains are then cooled and cut into small pieces or pellets. These pellets serve as the raw material for manufacturing various plastic products. They are typically melted again and molded into shapes through processes like injection molding, extrusion, or blow molding.
Manufacturing Products: The plastic pellets are heated and molded into final products such as bottles, bags, containers, toys, and numerous other items.
How is momentum conserved in a system in which two satellites connect
The one satellite has all the momentum before they connect, and then afterwards they share it.
pls help!! WILL VOTE BRAINIEST!!!
C is the right answer :)
is the following sentence true or false?an average star spends 90 perecent of its life as helium burning main sequence star
Answer: The answer is True!
Explanation: I have my ways ;>
Which type of thinking uses creativity and yields solutions that are original and creative? A. directed B. undirected C. reproductive D. productive
Answer: Option (B) is the correct answer.
Explanation:
A thinking in which using the rational and conceptual frameworks we direct our thoughts is known as directed thinking.
Whereas undirected thinking is also known as creative thinking. In this thinking thoughts, creative ideas, images etc are used to develop solutions for the problems.
On the other hand, when a problem is solved with the help of previous experiences and what is already known to us is called reproductive thinking.
A productive thinking is a thinking in which a person solve problem using his insight or environmental interaction.
Thus, we can conclude that out of the given options undirected thinking uses creativity and yields solutions that are original and creative.
Answer:
Answer is D
Explanation:
:)
Which enzyme produces fatty acids and monoglycerides as a result of a chemical action?
The enzyme that produces fatty acids and monoglycerides is pancreatic lipase
Answer:
The Answer is Lipase
Explanation:
How does Digestion work?
Which statement best describes the structure of covalent network solids? A. They are giant structures held together by weak forces of attraction. B. All the atoms are covalently bonded to other atoms to form a lattice-like structure. C. Several covalently bonded molecules form covalent bonds with each other. D. They consist of a network of atoms alternately bonded by covalent and ionic bonds.
Try the answer B
Hope this helps
Answer: Option (B) is the correct answer.
Explanation:
A covalent compound is a compound formed by sharing of electrons. And, in a covalent network solid atoms are bonded by covalent bonds in a continuous network that is extending throughout the material or solid.
This continuous arrangement of atoms are like a lattice.
For example, diamond is a covalent network solid in which carbon atoms are arranged in a continuous lattice like structure.
Hence, we can conclude that the statement all the atoms are covalently bonded to other atoms to form a lattice-like structure, best describes the structure of covalent network solids.
How many trips has Earth made around the Sun in 8 mar years
The answer is; 15 years
It takes 687 days for mars to orbit the sun once. 8 mars years would, therefore, mean;
8 * 687 = 5496 days
The earth takes 365 days to orbit the sun once. Therefore, the earth will orbit the following number of times in 8 Mar years;
5496/365 = 15.058
Which is approximately 15 years
Which method of birth control involves hormones?
Hormonal contraception methods, such as birth control pills, skin patches, injections, and implants, release synthetic hormones to prevent ovulation. Birth control pills come in two main forms and must be taken consistently. An intrauterine device (IUD) is another highly effective hormonal method, with proper placement and use required.
The method of birth control that involves hormones is known as hormonal contraception. Hormonal methods include a variety of applications such as birth control pills, skin patches, injections, and implants. These methods work by releasing synthetic hormones such as estrogen and progesterone to prevent ovulation.
An intrauterine device (IUD) is another highly effective hormonal method with a failure rate of less than 1 percent. IUDs are inserted into the uterus to prevent the implantation of a fertilized egg or, in the case of hormonal IUDs, to release hormones.
Which of these is a direct consequence of ozone depletion on human health?
A.High blood pressure
B.Bioaccumulation
C.Skin cancer
D.Lead poisoning
C. Skin Cancer
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- KidSavage13
what is condensed genetic material called?
chromosome is condensed genetic material
Condensed genetic material is called chromatin when not fully condensed and chromosomes during cell division, consisting of sister chromatids joined at a centromere.
Explanation:Condensed genetic material is called chromatin when it is not yet fully condensed into chromosomes, which occurs outside of cell division phases. During the cell division cycle and after DNA replication, this material coils and condenses further into the familiar X-shaped structures known as chromosomes. Each chromosome at this stage consists of two identical copies called sister chromatids, joined together at a region known as the centromere. It is important to note that the process of condensation is essential for the mitotic and meiotic processes that ensure genetic material is accurately divided between daughter cells.
In biology, the condensed genetic material is called chromatin or chromosomes. Chromosomes store genetic information in the form of DNA molecules. During cell division, the chromatin condenses and coils into the familiar X-shaped form of a chromosome. Each chromosome consists of two identical copies called sister chromatids, which are joined together at a region called a centromere.
WhWhat is an important function of mitochondria
An important function of the mitochondria is to create ATP (energy). The cell uses this ATP produced by the mitochondria to carry out cellular functions.
Which molecules would dissolve in water based on polarity? Select the 3 that apply.
A. CH4
B. C2H6
C. C6H6
D. CH3CH2 CH2 CH2 CH2 CH2OH
E. C5H10O5 apply
water interacts with polar substances such as -OH groups but not with non polar substance such as CH3. Based on polarity, D and E have high polarity and dissolve in water.
Answer: Option (D) and (E) are the correct answers.
Explanation:
Water is a polar solvent and it is known that like dissolves like. Hence, polar solutes easily dissolve in water.
For example, alcohols, amines etc are polar solvents.
Whereas hydrocarbons like methane, ethane, benzene etc have covalent bonding in their atoms. Hence, they are non-polar in nature due to which they are unable to dissolve in water or any other polar solvent.
Thus, we can conclude that out of the given options CH3CH2 CH2 CH2 CH2 CH2OH and C5H10O5 will dissolve in water based on polarity.
What happened to the giant landmass that Wegener described?
The pieces remained the same shape over time.
The pieces moved quickly to their current locations.
The pieces moved toward one another and created mountains.
The pieces broke apart and drifted away from one another over time.
Answer: The pieces broke apart and drifted away from one another over time.
The theory of continental drift was proposed by geophysicist Alfred Wegener in 1912. The theory describes the splitting of a large landmass Gondawana into different sub landmasses or continents which were drifted to location other than the place where the parent landmass was situated.The evidence of the continents are the part of large landmass comes from fossils obtained from fossils of plants and animals and similarities in the composition of the rocks.
Therefore, on the basis of the above information this can be concluded that the piece broke apart and drifted away from one another over time had happened to the giant landmass that Wegener described.
Answer:
What happened to the giant landmass that Wegener described?
A.The pieces remained the same shape over time.
B.The pieces moved quickly to their current locations.
C.The pieces moved toward one another and created mountains.
D.The pieces broke apart and drifted away from one another over time.
Explanation:
D.The pieces broke apart and drifted away from one another over time.
The chemical processes that occur within a cell are affected by many factors. Optimum cell function occurs within a narrow range of conditions.
Which combination of factors would curtail cell function?
I. pH
II. density
III. salinity
IV. temperature
The factors that can potentially curtail cell function include pH, density, salinity, and temperature. Changes in these factors can cause denaturation of proteins, cell dehydration, cellular damage, and decreased resource availability.
Explanation:The functioning of a cell is influenced to a great extent by its surrounding conditions, often falling within a narrow optimal range. The factors that can potentially impact and curtail cell function include the cell's pH, density, salinity, and temperature. Cells require specific physiological pH ranges for optimal function. Deviations can cause denaturation of cellular proteins and enzymes, leading to a loss in cell function. Similarly, high salt (salinity) concentrations can lead to cell dehydration. Cells function best at a body temperature of around 37°C. At higher temperatures, cells may get damaged or die. Similarly, cellular density also impacts function, with overcrowding leading to a decrease in resource availability thereby limiting function.
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How do rock types contribute to the rate of weathering?
Porous minerals weather faster.
Harder minerals break apart more easily.
Minerals that dissolve easily weather slower.
Permeable rocks have less chemical reactions.
The correct answer is that porous minerals weather faster.
The process of weathering alter and disintegrates the rocks and minerals closer to or at the surface of the Earth. This process shapes the Earth's surface. The three kinds of weathering comprise biological, mechanical, and chemical. Weathering dissociates apart and erodes rocks and minerals.
The rocks are the symbols of strength and durability. The rocks are usually resilient to weathering. This confrontation relies on the mineral composition and mineral porosity. The physically soft or porous minerals are easily crushed and dissociated, while in case of harder minerals it is quite tough.
Answer: the answer is a
Explanation:
Choose all the answers that apply.
Choose all the answers that apply.
Eukaryotes _____.
are always multicellular
are always unicellular
may have evolved from prokaryotes
have membrane-bound organelles
have a true nucleus
are more primitive than prokaryotes