Answer:
The animal has been performing vigorous activity with an insufficient oxygen availability in its muscles.
Explanation:
Lactic acid is an alpha-hydroxy acid (AHA) that is fundamental in the biochemical processes of the body.
During normal levels of oxygen in the body, the carbohydrates that are present in the body are transformed into water and CO2. On the other hand, when oxygen levels are low, lactic acid is produced.
Therefore, when an animal is performing vigorous exercise and the levels of oxygen in the body are low or insufficient, the muscles begin to respire anaerobically and, instead of CO2 and H2O, lactic acid is produced.
So, the presence of lactic acid in the cell of an animals muscle tissue is an indication that the animal has been performing vigorous activity with an insufficient oxygen availability in its muscles.
Muscle cells have been active during a period of oxygen deficiency
Lactic AcidLactic acid is a naturally occurring organic acid. In its solid state, it is white and miscible with water.Cell respiration, glucose synthesis, and molecular signaling are all aided by it.The presence of lactic acid in the cell of an animals muscle tissue is an indication that the muscle cells have been active during a period of oxygen deficiency.For more information:
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Parent Plant one’s gametes are as follows:
Gamete 1: PR
Gamete 2: Pr
Gamete 3: pR
gamete 4: pr
Parent Plant Two:
Gamete 1: PR
Gamete 2: Pr
Gamete 3: pR
Gamete 4: pr
Create a Punnett square to calculate the possible genotypes that can result from a cross between the two parent plants. In a dihybrid cross, the alleles of the gametes of each parent are written along the left side and top of the Punnett square, just as they are for a monohybrid cross. Fill in the squares with the predicted genotypes.
Answer:
In a dihybrid cross, the alleles of the gametes of each plant parent (PpRr x PpRr) are written along the left side and top to the Punnett square drawing. We can calculate the outcome of the genetic cross of (PpRr x PpRr). Since each parent has four different combinations of alleles in the gametes, there are sixteen possible. There will be nine (9) individuals with both dominant traits, three (3) individuals dominant for one trait, three (3) individuals dominant for the other trait and only one individual recessive for both traits.
In this case, we are looking at a subcategory of the plants dominant for both traits. Four of these nine will be heterozygous for both traits. The ratios can be represented as: 9:3:3:1.
For further information, please see the image attached.
Final answer:
To create a Punnett square for a dihybrid cross between the two parent plants, list the alleles from each parent's gametes along the left side and top of the square. The possible genotypes that can result from the cross are: PR, Pr, pR, and pr.
Explanation:
To create a Punnett square for a dihybrid cross between the two parent plants, the alleles from each parent's gametes are written along the left side and top of the square. In this case, both parents have the same gametes, so the Punnett square will be symmetrical. The possible genotypes that can result from the cross are: PR, Pr, pR, and pr. These genotypes represent the different combinations of alleles from the two parents.
Which equation represents a fission reaction?
14N+H—150
o se ut n— 1 CS + S Rb +2n
o Be + He — C +ón
28 Np — 23 Pute
Mark this and return
Answer:
Option B is correct: 235 92U + 1 0n→ 140 55Cs + 94 37Rb + 2 (1 0n)
Explanation:
During nuclear fission, nucleus of an atom splits into smaller parts. The fission process produces free neutrons and photons, and releases a large amount of energy.
In these four reactions, only B option satisfied the conditions of a nuclear fission reaction. Here is more detail
B. 235 92U + 1 0n → 140 55Cs + 94 37Rb + 2 (1 0n)
235 92U atoms split into 140 55Cs and 94 37Rb smaller parts with the help of neutron (energy).
The other three reactions are the example of nuclear transmutation reactions.
A. 14 7N + 1 1H → 15 8O
C. 9 4Be + 4 2He → 12 6C + 1 0n
D. 239 93Np + 239 94Pu + 0 -1e
If a particular manufacturer emits less pollution than its allotted cap, It gets an extra allowance and can sell it to other manufacturers. Which
environmental policy or category governs this process?
A.
environmental legislation
B.
federal law
C.
incentives
D.
cap and trade
E.
disincentives
Answer:
d cap and trade
Explanation:
The ATP molecule shown consists of a base,__________, and a chain of three phosphates.
Answer:
The ATP molecule shown consists of a base, Adenine, and a chain of three phosphates.
Explanation:
ATP can be described as a molecule which is the main energy source for cells of an organisms body. ATP is made up of a nucleotide base which is adenine and three phosphates attached to it hence the name adenine triphosphate.
The energy is released from an ATP molecule by breaking or hydrolyzing it. This process releases adenine diphosphate, a phosphate molecule along with loads of energy. ATP is the main molecule which cells use to carry out their normal functions.
Select the correct answer from each drop-down menu.
Plants use sunlight to convert nutrients into energy. What form of energy transfer is taking place?
The
energy of the Sun is converted into
energy by the plants.
Final answer:
During photosynthesis, plants convert the radiant energy of sunlight into chemical energy, which is stored in the form of glucose. This chemical energy is transferred to animals when they consume plant materials.
Explanation:
The radiant energy in sunlight is crucial for plants to perform photosynthesis, a fundamentally important biological process. During photosynthesis, plants absorb solar energy and use it to convert carbon dioxide and water into glucose and oxygen. This process involves the transformation of light energy into chemical potential energy, which is stored in the chemical bonds of glucose and other carbohydrates. Animals then consume these plants or plant-derived products to obtain this chemical energy, which is released during digestion.
Therefore, to answer the student's question:
The radiant energy of the Sun is converted into chemical energy by the plants. Option a. Sunlight is converted into chemical energy by plants; this energy is released when we digest food, which is the correct completion of the statement.
Which of the following aids in the weathering and transportation of rocks?
Question:
Which of the following aids in the weathering and transportation of rocks?
A. wind
B. clouds
C. sunlight
D. all of these
Answer:
Winds aids in the weathering and transportation of rocks
Explanation:
Weathering is process of break down of the rocks, and then it gets dissolved into small pieces by the means of physical, physiological, chemical or also biological process. Transport of these particles helps in the completion of the process, this leads to the movement of the materials from one place to another. Basically the erosion takes place by, water wind and ice. Hence two types of weathering have been reported like mechanical and chemical.
What is CEPHALIZATION in simple words?
Cephalization is the evolutionary trend of concentrating nervous tissue, forming a centralized 'head'. In the human context, it refers to 'encephalization', or an evolutionary increase in the size of the brain relative to body size.
Explanation:In simple terms, Cephalization is the evolutionary trend where the nervous tissue, over many generations, becomes concentrated towards one end of an organism. This process forms a head region with centralized control functions like the brain and sensory organs. With respect to humans, it refers to the evolutionary increase in the size of the brain relative to body size - a phenomenon known as encephalization.
Organisms display different degrees of cephalization, largely connected to their complexity and mode of life. For example, in humans and other primates, a significant part of this process was encephalization, or the increase in brain size over time relative to body size. This is measured using the encephalization quotient, which is the ratio between actual brain weight and expected brain weight for an animal of a given size. This ratio has increased over time, reflecting our increased cognitive complexity.
The development and shape of the brain can also be studied using endocranial casts - molds of the inside of the braincase that give us insight into brain volume. This provides a rough estimate of brain size, allowing us to trace the process of encephalization in human evolution.
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WILL MARK BRAINLIEST!!!
Which actions can humans take to reduce wave erosion? Select two options.
A. build drainage systems
B. build houses near coastlines
C. build breakwaters in the ocean
D. reduce vegetation along coastlines
E. reduce effects of global warming
Answer: C and E
Hope this helps!!
Answer:
c and e
Explanation:
Which pair of statements best describes an essential amino acid?
It is an amino acid that contains peptide bonds. An example is proline.
It is an amino acid that contains nitrogen. An example is aspartic acid.
It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
It is an amino acid that can be produced by the body. Vitamin supplements maintain healthy levels
Answer:
C
Explanation:
It is an amino acid that cannot be produced by the body. It must be obtained from eating certain foods.
Lorenzo is making a prediction. "I learned that nonmetals
increase in reactivity when moving from left to right. So I
predict that xenon will be more reactive than iodine." Is
Lorenzo correct? If so, why? If not, explain his error.
Answer:
Lorenzo is not correct because xenon is a noble gas which is nonreactive or inert.
Explanation:
The reactivity of nonmetals increases when moving from left to right in the periodic table. They have a high attraction for electrons and tend to gain electrons. The most reactive nonmetal element is fluorine. Noble gases are the least reactive because they have the most stable arrangement of electrons (eight valence electrons). So they rarely react with other elements. So the prediction that xenon will be more reactive than iodine is incorrect.
Answer:
Lorenzo is not correct. Nonmetals increase in reactivity from left to right because nonmetals on the right have more valence electrons. They need to gain fewer electrons to have a full outer shell. However, this trend only continues until group 17, because the noble gases already have a full outer shell. Therefore, their reactivity is the least of all the elements.
Explanation:
t was already answerd i just wanted to answer too
Active transport and facilitied diffusion relation
Answer:
Both facilitated diffusion and active transport are selective processes. Only selective molecules are allowed to cross the membrane. They utilize carrier proteins to move across the membrane.
Explanation:
Diffusion is the process by which molecules move across a membrane respective of the concentration gradient. The plasma membrane is a selectively permeable membrane which allows specific molecules to move across the concentration gradient.
Molecules migrate from a region of higher concentration to a lower concentration in case of diffusion. It can be classified into simple diffusion and facilitated diffusion. These are examples of passive transport.
In facilitated diffusion molecules move across the concentration gradient with the help of carrier proteins or channel proteins. The carrier proteins bind to the molecule which has to be transported and change conformation to allow it to cross the membrane. For example glucose molecule is carried across through GLUT transporter. Channel proteins open a channel inside the membrane and molecules get transported across the gradient.
Active transport carries molecules against the concentration gradient with the assist of energy. ATP hydrolysis is utilized to generate energy. As a result of active transport, the molecules are aggregated on one side of the membrane.
How do the nucleus and ribosomes work together to maintain homeostasis
Answer:
The nucleus contains the cell ‘s DNA and directs the synthesis of ribosomes and proteins.
Found within the nucleoplasm, the nucleolus is a condensed region of chromatin where ribosome synthesis occurs.
Chromatin consists of DNA wrapped around histone proteins and is stored within the nucleoplasm.
Ribosomes are large complexes of protein and ribonucleic acid (RNA) responsible for protein synthesis when DNA from the nucleus is transcribed.
Explanation:
The cell nucleus produces new mRNAs that will be used as templates for protein synthesis in the ribosomes.
During gene transcription in the cell nucleus, a fragment of DNA called gene is used as a template to create a complementary mRNA. Subsequently, the mRNA travels to the ribosome in the cytoplasm where it is used as template to synthesize a protein by a process called translation.In consequence, the ribosomes act as protein factories in the cell that work together with the cell nucleus to create new proteins.In conclusion, the cell nucleus produces new mRNAs that will be used as templates for protein synthesis in the ribosomes.
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Process does not require oxygen.
Anaerobic respiration is a biological process that does not require oxygen. It occurs in organisms like yeast, muscle cells during exercise, and certain bacteria and archaea. Anaerobic respiration is also known as fermentation and is a quick source of energy.
Explanation:In biology, the process that does not require oxygen is called anaerobic respiration. Anaerobic respiration occurs in organisms, such as yeast, in the absence of oxygen.
An example of anaerobic respiration is fermentation, which takes place in the muscle cells of animals during intense exercise. Fermentation produces lactic acid and provides a quick source of energy.
Some bacteria and archaea also carry out anaerobic respiration in environments with low oxygen levels, using different chemical reactions to generate energy.
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Where is this energy stored in glucose
Answer:
The energy in glucose is stored primarily in the carbon-carbon and carbon-hydrogen bonds. In fact, anything with carbon-carbon and carbon-hydrogen bonds stores energy. Other common examples include gasoline, coal, and fat.
Explanation:
Answer:
The energy stored in glucose is starch and glycogen.
Explanation:
Okay so you get glucose from sugar then that is then stored in to as a starch or like glycogen.
Read the article and use the information to answer the questions that follow. Discovering the Structure of DNA Explain how the discoveries by Rosalind Franklin helped Watson and Crick build an accurate model of DNA.
Discovery of structure of DNA by Franklin and Watson and Crick.
Explanation:
Rosalind Franklin was researching about DNA structure at the King’s College at London based on x-ray diffraction studies; while, Crick and Watson were researching on the same at the Cambridge University based on Linus Pauling discovery of proteins.
Once when Watson happen to listen to Franklin’s lecture upon DNA structure and how it depends on relative humidity of the air and other facts relating to DNA; he along with Crick made physical DNA models which became a big failure.
Later, Franklin found that a wet form of DNA with high humidity had a helix like structure. This point became the base of later discovery of Watson and Crick’s double helix model of DNA along with the discovery of DNA molecules being made up of double chain of nucleotides.
Rosalind Franklin was a chemist, who discovered X-ray diffraction and a key role in determining the structure of the DNA molecule.
The discoveries of Franklin and Watson and Crick on DNA are:
Franklin used the X-ray crystallography technique to identify the double-helical structure of the DNA. Watson and Crick's foundation was laid on the discovery of Franklin's DNA structure. Watson and Crick suggested that bases are joined together to their complementary bases, which gives DNA its helical structure.
Thus, Watson and Crick used the information given by Franklin to discover the properties of DNA.
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a black rooster mates with a white hen. Based on their genotypes, the chance that the offspring will be checkered is 100 percent. What is the roosters genotype? what is the hens genotype?
Answer:
Rooster: BB Hen: WW
Explanation:
Let's assign B for Black and W for White.
The scenario states that the chance that the offspring will be checkered is 100%. This means that both black and white are expressed at the same time. This phenomenon is called INCOMPLETE DOMINANCE. This happens when one of the alleles do not completelt mask the other, so instead of getting the trait of one of the parents, a new type of phenotype is formed.
The only way for the offsprings to ALL turn out checkered is if the parents were homozygous for their specific traits. So look at the Punnet below:
W W
B BW BW
B BW BW
Both are homozygous dominant because if either of the color were recessive, it would be masked.
Answer:
BB,WW
Explanation:
is penecillin a bacterium
true
false
Answer:
false
Explanation:
Penicillin prevents peptidoglycan from cross-linking properly in the last stages of bacterial cell wall synthesis. This greatly weakens the cell wall and causes the bacterium to lyse, or burst open, because of osmotic pressure. Penicillin is bactericidal because it directly kills bacteria.
An organism inherits hits genetic instruction from the
Answer:
its parents.
Explanation:
its parents hold a dna code
nucleus of the cell is responsible for
The "brain" of the cell.
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
What group of organisms remove carbon
dioxide from the atmosphere?
A. bacteria
B. fungi
C. green plants
Answer:
C green plants
Explanation:
plants use CO2 from the atmosphere in order to synthesize organic compunds like glucose in the dark reactions of the photosynthesis(Calvin cycle)
Answer:
c
Explanation:
10 POINTS!!
If the communities in Figure 5-1 were put in order of least to most biological diversity, they would be ____.
Answer:
BDAC
Explanation:
A scientist is using a light microscope to observe a sample of muscle tissue. By analyzing the cellular structure and organization of the muscle
tissue, the scientist can identify which of these properties?
A
the age of the donor
B. how frequently the muscle was used
C, whether the muscle was located in the arms, legs, or torso
D. Whether the muscle moved the skeleton, the heart, or another type of internal organ
Final answer:
A scientist can identify if a muscle is skeletal, cardiac, or smooth by observing the striations and nuclei arrangement under a light microscope. Striated and multinucleated fibers indicate skeletal muscle, striated with single nuclei are cardiac muscle, and non-striated indicates smooth muscle.
Explanation:
A scientist using a light microscope to observe muscle tissue can identify whether the muscle moved the skeleton, the heart, or other types of internal organs by analyzing its cellular structure and organization. This is because muscle tissue is classified into three distinct types based on structure and function: skeletal muscle, cardiac muscle, and smooth muscle.
Skeletal muscle tissue has a distinctive striated appearance due to the regular arrangement of actin and myosin contractile proteins in the cytoplasm of the muscle fibers, which appears as stripes, or striations, visible under high magnification. These muscle fibers are also multinucleated structures, which is another distinguishable feature. In contrast, smooth muscle does not display striations and is not multinucleated. Cardiac muscle tissue, like skeletal muscle, has striations but differs in that cardiac muscle fibers typically have a single nucleus and are connected in a pattern that allows the heart to contract as one unit.
Therefore, by identifying the presence of striations and the arrangement and number of nuclei, a scientist can determine if a muscle is skeletal, indicating it moves the skeleton, cardiac if it moves the heart, or smooth if it is involved in moving internal organs not under voluntary control.
What effects does burning fossil fuels have on the atmosphere? Select the two correct answers.
increases levels of gases that retain the sun's heat
increases the availability of sulfur dioxide for plants
increases levels of particulate matter
increases ozone levels in the upper atmosphere
increases air quality in areas far away from power plants
Answer:
The burning of fossil fuels produces gases like sulfur dioxide and carbon dioxide which trap the sun's heat radiations and increase the overall temperature of the Earth. So the answers are A & B.
Explanation:
Global warming is caused by burning fossil fuels. The carbon dioxide produced as a result captures the heat in the surrounding atmosphere and causes a rise in temperature. Recently, it has been observed that the glaciers are melting and each year the net temperature of the core of the Earth is increasing.
The other gas produced is sulphur dioxide which is responsible for the acid rain. The sulphur dioxide combines with water to form sulphuric acid which causes damage to buildings and people. E.g Taj Mahal, in India is getting corroded by acid rain.
The burning of fossil fuels increases levels of gases that retain the sun's heat and increases levels of particulate matter.
What are fossil fuels?Fossil fuels are different types of fuels made from dead plants and animals that decomposed over geological time.
Fossil fuels include, among others, coal, oil, natural gas, etc.The burning of these fossil fuels generates global warming by retaining solar radiation in the atmosphere.In conclusion, the burning of fossil fuels increases levels of gases that retain the sun's heat and increases levels of particulate matter.
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Susan makes a claim that humans do not evolve because we adapt to situations by changing our technology, not ourselves. Which piece of evidence contradicts this idea?
Humans have been tool users for a long time.
Other primates use tools.
The size of our brains has increased since we became tools users.
Our technology is always increasing
Answer:
The size of our brains has increased since we became tools users.
Answer:
c
Explanation:
The heat process caused by the uneven distribution of thermal energy in Earth's interior is called _____________.
ridge push
mantle convection
slab pull
convection
Answer:
Convection.
Explanation:
The heat process caused by the uneven distribution of thermal energy is Earth's interior is called convection. The heating of the lower atmosphere is primarily the result of distribution of heat through convection. Convection is the process by which air rises or sink because of the difference of temperature. Convection generally occur when gases heated at uneven temperature.
Answer:
The heat process caused by the uneven distribution of thermal energy in Earth's interior is called Convention.
Explanation:
The convention means the process of conveying. Here The thermal energy is conveyed by air. The warmer air tend to move upward while colder air tend to move downward. The air around the globe moves from one place to another y this convention and pressure distribution. A simple example for convention is when you heat the water, the vapors tend move upward.
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Please I need the answer ASAP
The correct evidence statements for explaining the relationship among carbon, amino acids, and proteins are:
b. Proteins are polymers made up of amino acids.
d. Amino acids are monomers made up mostly of carbon, hydrogen, nitrogen, and oxygen.
Here's why these statements are correct:
b. This statement accurately describes the fundamental relationship: amino acids are the building blocks of proteins. Proteins are formed by linking numerous amino acids together in chains through peptide bonds.
d. This statement highlights the composition of amino acids, which are indeed organic molecules primarily composed of carbon, hydrogen, nitrogen, and oxygen. This foundation in carbon establishes the connection between amino acids and the element itself.
Incorrect statements:
a. This statement reverses the relationship. Amino acids are the monomers, not the polymers.
c. While both proteins and amino acids contain carbon atoms, this statement alone doesn't explain the specific relationship between them. Many other molecules also contain carbon but aren't related to protein and amino acid composition.
Therefore, only statements b and d provide relevant and accurate evidence for explaining the connection between carbon, amino acids, and proteins.
Why would you expect the crystals in an intrusive rock to be larger than the crystals in an
extrusive rock?
A. The crystals in intrusive and extrusive
rocks are generally the same size.
B. Intrusive rocks cool more rapidly, which
produces larger crystals.
C. Intrusive rocks cool more slowly, which
produces larger crystals.
D. The chemical composition of intrusive
rocks produces large crystals.
Answer:
C. Intrusive rocks cool more slowly, which produces larger crystals
Explanation:
Intrusive rocks are igneous rocks that form beneath the surface. Unlike extrusive rocks (rocks that form above the surface), intrusive rocks cool down more slowly, so this allows crystals more time to grow before they completely cool down and solidify.
The crystals in intrusive rocks are larger than the crystals in extrusive rocks because intrusive rocks cool more slowly.
Explanation:When comparing intrusive rocks to extrusive rocks, you would expect the crystals in intrusive rocks to be larger. This is because intrusive rocks cool more slowly compared to extrusive rocks. The slower cooling rate allows for more time for the crystals to grow, resulting in larger crystal grains in the rock.
Why are mitochondria and Chloroplasts unique?
Answer:
Mitochondria and chloroplasts have striking similarities to bacteria cells. They have their own DNA, which is separate from the DNA found in the nucleus of the cell. And both organelles use their DNA to produce many proteins and enzymes required for their function.
Explanation:
Mitochondria and chloroplasts are unique because they have their own DNA and are thought to have originated from ancient symbiotic relationships.
What are mitochondria?Mitochondria are double-membraned organelles found in eukaryotic cells. They are often referred to as the "powerhouses" of the cell due to their role in energy production. Mitochondria are responsible for generating adenosine triphosphate (ATP), the molecule that serves as the primary energy currency of the cell.
Mitochondria have their own DNA, separate from the cell's nuclear DNA, and can replicate independently through a process similar to bacterial binary fission. This suggests that mitochondria have an evolutionary origin as free-living bacteria that formed a symbiotic relationship with early eukaryotic cells.
The inner membrane of mitochondria contains various protein complexes involved in cellular respiration, a series of biochemical reactions that convert nutrients into ATP. These reactions occur in specialized structures called cristae, which increase the surface area available for energy production.
Mitochondria also play roles in calcium signaling, regulation of cell death processes, and other cellular functions beyond energy production. Their presence varies in different cell types, with higher concentrations in cells that require substantial energy, such as muscle cells.
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Convergent plate movement can create all of the following EXCEPT
A) ridges
B) valleys
C) mountains
D) volcanoes.
Convergent plate boundaries are where tectonic plates collide forming mountains, valleys, and volcanoes. Ridges, however are formed at divergent plate boundaries where plates pull apart.
Explanation:In the field of plate tectonics, convergent plate boundaries are areas where two tectonic plates move towards each other. This movement can result in the creation of various geological features such as mountains, valleys, and volcanoes. However, the creation of ridges is typically associated with divergent plate boundaries, where two tectonic plates move apart. Therefore, the correct answer to your question is A) ridges, as convergent plate movement does not typically create ridges.
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which of the following show how mining for materials used in smart devices impacts the environment select three
-increases child labor
-grows the economy
-degrades vegetation
-creates competition for water
-increases soil erosion
its obviously not child labor or economy based because those have nothing to do with the environment so its the other three.
Answer:
-degrades vegetation
-increases soil erosion
-creates competition for water
Explanation:
There are many environmental impacts caused by mining, economic and industrial activity that consists in the research, exploration, extraction and processing of ores present in underground deposits. The same is true of mining for materials used in smart devices. This human activity destroys nature and creates very damaging ecological imbalances that diminishes the quality of life not only for humans but for all living beings.
Mining causes pollution of water resources by decreasing the amount of drinking water and increasing competition for water in some places. In addition, it causes soil degradation through erosion and causes loss of diversity by degrading vegetation and animal life.