Given a locus with three alleles and allele frequencies of 0.4, 0.4, and 0.2, what is the frequency of the least prevalent heterozygote? [PEEK] 0.06 0.16 0.26 0.36 0.10 0.08
Answers
The frequency of the least prevalent heterozygote is 0.16 or 16%. The answer is B) 0.16.
To calculate the frequency of the least prevalent heterozygote, we need to first determine the possible genotypes and their frequencies based on the given allele frequencies. The three alleles have frequencies of 0.4, 0.4, and 0.2, which we can denote as A1, A2, and A3, respectively.
Possible genotypes:
A1A1: (0.4)^2 = 0.16
A1A2: 2(0.4)(0.4) = 0.32
A1A3: 2(0.4)(0.2) = 0.16
A2A2: (0.4)^2 = 0.16
A2A3: 2(0.4)(0.2) = 0.16
A3A3: (0.2)^2 = 0.04
Now, we need to determine the frequency of the least prevalent heterozygote, which would be the frequency of A1A3 or A2A3 since both have a frequency of 0.16. To calculate this, we add the frequency of A1A3 and A2A3:
0.16 + 0.16 = 0.32
Next, we divide this sum by 2 to get the frequency of the least prevalent heterozygote:
0.32/2 = 0.16
Therefore, the frequency of the least prevalent heterozygote is 0.16 or 16%. The answer is B) 0.16.
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Related Questions
Plant 2 is produced from plant 1. If the leaf cells of plant 1 have 56 chromosomes. How many chromosomes will be found in the leaf cells of plant 2
Answers
Answer:
Explanation:
Now, being completely identical to plant 1, plant 2 will have 56 chromosomes in it's leaf cells.
Which of the following equations correctly relates flow, pressure, and resistance?A. Flow = Pressure x ResistanceB. Pressure = Flow x ResistanceC. Resistance = Flow x PressureD. Flow = Pressure + ResistanceE. Flow = Pressure - Resistance
Answers
The equation that correctly relates flow, pressure, and resistance is B. Pressure = Flow x Resistance according to Bernoulli principle.
The Bernoulli principle is based on the equation of continuity, which states that mass is conserved in a fluid flowing through a pipe or channel, regardless of variations in the pipe's cross-sectional area.
Bernoulli's equation formula is a relation between pressure, kinetic energy, and gravitational potential energy of a fluid in a container. Where p is the pressure exerted by the fluid, v is the velocity of the fluid, ρ is the density of the fluid and h is the height of the container.
In order to maintain a constant mass flow rate, the Bernoulli principle dictates that when the velocity of a fluid increases, the cross-sectional area of the tube or channel through which the fluid flows must decrease proportionally.
The Bernoulli principle is used to explain the lift on an airplane's wings and the flow of blood through the heart, among other phenomena.
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During the alarm stage of the body’s stress response, what emergency hormone is released to prepare the body to respond to a stressor?.
Answers
Answer:
Adrenaline
Explanation:
Adrenaline is a hormone that prepares the body for "fight or flight"
what are the elements of molecules in lipids, nucleic acids and proteins. HELP PLS!!!!
Answers
a) Antonie Van Leeuwenhoek is considered to be the first microbiologist. His work was completed before Pasteur's. He was the first to use microcscopes to observe and describe single-celled organisms, which he originally referred to as animalcules, and which we now refer to as microorganisms. How did Van Leeuwenhoek's work provide the basis for Pasteur’s work on disproving the theory of spontaneous generation? (4 points)
Answers
Answer:
Explanation:
The spontenous genrration theory states that living organisms can be spwan without descent of similar organisms; so in other words, it is possible for living creatures could arise from nonliving matter such as water. Similarily in 1676 Van Leeuwenhoek discovered tiny organisms living in his cup of water- the first bacteria observed by man. Pasteur's spontenous generation theory came into the limelight after his most noteable experiment in 1859; in which he boiled meat broth in down ward tipped flasks. It is importnat to note that the tip of the flask (the neck) is what prevented particles to fall freely and instead the bent neck allowed air to travel through the flask- if the flask were to be tilted on its side the particles would seep into the broth and create a cloud within the flask. Pastuer further decided to boil the broth to possible create bacietia. Boiling the broth exposed the contents to air vessels which contained a filter to stop the particles from seeping thorugh into the broth. What Pastueru concurred from his experminet was that flasks with filters and no filters that did not allow the particles to pass into the medium of the flask, were unsucessful with createing bacteria life. Thus, Pasteur found that noithing grew in the flasks unless they were broke open, disapproving that living organisms could be spotenously generated within the broth, was instead created from outside the inards of the flask- and were created as spores or dust.
When collagen in the wall of a blood vessel is exposed as a result of injury, ______ adhere and develop long, spiny pseudopods which draw the vessel walls back together.
Answers
When collagen in the wall of a blood vessel is exposed as a result of injury, platelets adhere and develop long, spiny pseudopods which draw the vessel walls back together.
The blood vessel wall's structural component, collagen, is typically hidden beneath the cells that line the blood vessels' inner walls.Collagen that is exposed when a blood vessel is damaged draws platelets from the circulation, resulting in blood clotting. Additionally, collagen is essential for regulating blood vessel wall cell function. They examine which pieces adhere to various blood vessel wall proteins. This enables them to pinpoint the collagen's essential components, such as those that regulate platelets and blood vessel wall cells.Small blood cells called platelets assist your body in forming clots to halt bleeding. Your blood vessels communicate with the platelets when they sustain injury. When there is damage, the platelets immediately create a plug (clot) to repair it.learn more about platelets here: https://brainly.com/question/4883461
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Which gene mutation would have the greatest impact on a protein's amino acid sequence?
Answers
Answer:
heyyy there fellow weeb, thought id help u with this.
Explanation:
The addition of 2 bases is the most severe of these mutations. Because of a triplet reading of the genetic code, a 2 base insect changes the code readings frame that causes a frameshift mutation that means that each amino acid is incorrect after the mutation's site.
Which of these statements about cells is correct?
A. Cells must produce their own food.
B. Adult cells are larger than those in a child.
C. Organisms must have more than one cell to grow.
D. Multicellular organisms can have more than a billion cells.
This science but oh well
Answers
Answer:
D is the correct statement
Answer:
D Multicellular organisms can have more than a billion cells.
Explanation:
choline is group of answer choices a conditionally essential nutrient. an essential nutrient. a mineral. responsible for muscle contraction and relaxation.
Answers
Choline was officially recognized as an essential nutrient by the Institute of Medicine in 1998. Its role in the body is complex. It is needed for neurotransmitter synthesis (acetylcholine), cell-membrane signaling (phospholipids), lipid transport (lipoproteins), and methyl-group metabolism (homocysteine reduction).
1. After the food enters the mouth and is broken down by saliva and chewing, it enters the food tube called the (1 Point)
Answers
Answer:
Esophagus
Explanation:
Flower Dissection — Part 2
Pick a flower from your yard, a public location, or somewhere in your neighborhood.
Start by removing the sepals of the flower with a tweezer. If you do not have a tweezer, a small pair of scissors will also work. It may be easiest to do this if you hold the flower with your finger from below the pedicel (small stalk just underneath the flower) and begin to remove the sepals with a pair of tweezers.
Using tweezers, place the sepals on the labelled printable worksheet, and tape them in place.
Repeat the same procedure for the petals and pistil.
Remove all but one of the stamens and tape them onto the worksheet.
On your printable worksheet, you should have sepals, petals, stamens and one pistil.
Take a picture of your worksheet with the flower pieces placed correctly, and save it on your computer. You will attach and submit this with your assessment questions.
Data:
Flower Dissection
Name of Flower Component Piece of Flower from Lab Function
Sepal
Petals
Stamen
Pistil
Analysis & Conclusion — Part 3
Plant Tissues
What are three characteristics that all species belonging to the plant kingdom have in common?
How will the numbers of stomata differ in tropical plants and desert plants? How does this help protect the health of a plant?
If a plant's xylem and phloem become damaged, what type of damage will result within the plant? Describe the different roles on the xylem and phloem in your answer.
Why do we compare the dermal tissue of plants to human skin? Explain your answer.
Would a plant be able to survive if the ground tissue was damaged? Explain your answer.
Flowering Reproduction
Describe how flowering plants reproduce.
How do flowers help other organisms in our environment?
Which parts of a plant are responsible for reproduction? Describe the role that each of them will play.
Describe what occurs during the process of seed development.
Based on your knowledge of flowers, why do you think most flowers are bright in color?
Print Save
Answers
Angiosperms belong to the plant kingdom. Flowers are the organs needed for sexual reproduction, carrying feminine and masculine structures.
What are the parts of the flowers?Flowers are reproductive structures in charge of sexual reproduction through the production of seeds.
⇒ Feminine reproductive structures
The central structure is the carpel, also recognized as the pistil.The base of the carpel forms the ovary, in which the eggs are produced and where the zygote develops.The opposite extreme of the carpel is the stigma, in the superior part.The stigma is a sticky surface where the pollen grains get attached.The style is the filament structure that connects the ovary and the stigma.⇒ Masculine reproductive structures
The pollen grains, or male sex cells, are produced in the stamens.The stamen has an anther where the pollen is produced, and a filament that provides support.
⇒ External non-reproductive structures
Flowers also have external structures known as petals and sepals. These are modified leaves whose principal function is to protect the flower's fertile parts and attract pollinators.
Petals characterize as having many different colors that make the flower more attractive to insects and other animals. When they visit a flower searching for their recompense, the flower's pollen grains transfer to the insect's body.
The insect transports the pollen to the next visited flower, leaving it in the stigma of the second flower.
What happens during the fertilization process?1) The mature pollen grains are driven to the stigma of the same flower or other flowers of the species, where they stick.
2) Once in the stigma, the pollen grain germinates.
3) A pollinic tube forms. It goes from the stigma along the style and ends in the flower ovary.
4) The pollen grains move along the tube forward to the ovary.
5) Once in the ovary, the pollen grains get in touch with the ovule. They have double fertilization.
6) The zygote develops in the ovary.
Now, let us answer the questions,
1) Flower Dissection ⇒ you will find and scheeme in the attached files
2) Characteristics of the plant kingdom
eukaryotic multicellular organisms, photosynthetic organisms,cells with chloroplasts, a big vacuole, and cell wall. sexual and asexual reproduction3) Stomata regulate water vapor flow through transpiration.
Desert plants have fewer stomata than tropical plants as an adaptation to avoid losing water.
4) Having fewer stomata help protect the health of a plant by preventing excessive water loss under extreme conditions.
5) The vascular system of plants is composed of
The xylem ⇒ takes water and nutrients from the soil to the aerial part of the plant.The phloem ⇒ transports photosynthetic products to different tissues of the plant.If the xylem gets damaged, the plant will not be able to take water and nutrients from the ground. If the phloem gets damaged, the plant will not be able to use photosynthetic products in different tissues. In any case, the plant will dye.
6) Because plants and human dermal tissues vary in the number of layers and functions.
Plants have one dermal layer and have a cuticle to avoid dehydration and provide protection. Human skin is multilayered and the immune system protects it.7) Ground tissues are not meristematic, dermal, or vascular tissues. However, among their functions, we can mention photosynthesis, storage, regeneration, and healing capability. All of them are necessary to survive. If the ground tissues are damaged, the plant can not survive.
8) Flowering plants can reproduce sexually or asexually. During sexual reproduction, pollen grains fertilize the eggs in the ovary.
9) During pollination, insects and other animals get a recompense -nectar-. Flowers provide a source of food and prime matter to different pollinator agents. Also, flowers might be a shelter for many species.
10) The stamen where the pollen is produced. The ovary is where eggs are produced and where the zygote develops. Pollen gets to the egg in the ovary and fertilizes it (description above).
11)
The embryo is formed after the double fecundation. It composes of growing cotyledons, an epicotyl, and a hypocotyl.
The tegument and endosperm of the seed protect the embryo from dehydration and denutrition.
Germination is the process of development and the emergence of the embryo. These are a series of steps that must occur in the seed from the moment the embryo begins to develop until a newly emerged plantule is formed. For germination to occur, there must be appropriate environmental conditions.
12) Flowers are bright and colored because this is how they attract pollinator agents such and insects and other animals.
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What is meant by the term "Super bug" ? Why are scientist and
doctors very concerned about this?
Answers
Antibiotic resistance has become a significant concern for scientists and doctors in recent years.
Superbugs, or antibiotic-resistant bacteria, are a cause of great concern for scientists and doctors around the world, for several reasons:The inability to treat bacterial infections effectively, leading to prolonged illness, disability, and even death, is one of the most significant consequences of antibiotic resistance. Patients may need to take more potent and expensive drugs or even have more invasive medical procedures to treat their infections, putting a burden on both the healthcare system and the patient's quality of life. Infections that used to be treated easily with antibiotics may now become severe or chronic. New antibiotics take a long time to develop, and the number of new drugs being approved by regulatory agencies has dropped dramatically in recent years.
As a result, there are few or no treatments for certain resistant infections. Superbugs can spread quickly and easily, making them a danger to public health. People who are infected with superbugs may pass them on to others, resulting in outbreaks. For this reason, scientists and doctors are concerned about superbugs and their potential to cause significant harm.
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How much is DNA important to identify a group? Give a brief explanation on race ,whiteness and property? Does biological anthropologists and genome scientist need to add the relation between Europeans and Indigenous people while doing their research?
Answers
DNA is important in identifying genetic relationships within a group, but it alone is not sufficient to determine complex social constructs like race, whiteness, or property; the inclusion of social, cultural, and historical factors is crucial in understanding these concepts.
Biological anthropologists and genome scientists should consider the relationship between Europeans and Indigenous people in their research to provide a more comprehensive understanding of human genetic diversity and population history.
DNA analysis can provide valuable insights into genetic relationships within a group, such as determining genetic ancestry or identifying related individuals. However, race, whiteness, and property are social constructs that go beyond genetic factors and are shaped by historical, cultural, and socioeconomic factors. These concepts are complex and cannot be solely explained by genetic data. Therefore, it is important for researchers, including biological anthropologists and genome scientists, to recognize the limitations of genetic data and consider the broader social context when studying race, whiteness, and property.
In the context of researching Europeans and Indigenous people, it is crucial for researchers to acknowledge and incorporate the historical and ongoing relationships between these groups. This includes understanding colonization, displacement, and the impact of power dynamics on genetic diversity and health outcomes. By including this relationship in their research, scientists can contribute to a more accurate and nuanced understanding of human genetics and promote social and scientific equity.
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The element carbon has three natural isotopes: C-12, C-13, and C-14.
Use the periodic table to find the number of protons in a carbon atom.
Then make a drawing to show the nuclei of the three carbon isotopes.
Your drawing should convey the number of protons and neutrons in each of the three different nuclei.
Answers
Answer: See Below
Explanation:
1. There are 6 protons in a carbon atom (The # of protons is the same as the atomic number).
2. Attached below. Red circles are protons blue are neutrons.
Understand that the number following the C (12,13,14)
refers to the total number of protons and neutrons in the atom. Proton number does not change only neutrons can.
Find the function rule for the input-output table.
Answers
Test the function rule by plugging in some values for the input and checking if the output matches the value in the input-output table. If the output values match, then the function rule is correct.
To find the function rule for an input-output table, first, look for any patterns or relationships between the input values and the output values. One way to do this is to calculate the difference between each set of consecutive output values and compare them to the difference between the corresponding input values. If the differences are constant, then the function is likely linear.
Next, use the pattern or relationship found to write an equation for the function rule. The equation should include the independent variable (the input) and the dependent variable (the output), and any necessary constants or coefficients.
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what are hereditary materials
Answers
Answer:
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.
Answer:
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.19-Jan-2021
Question 2 (Multiple Choice Worth 2 points)
(01.02 MC)
Sucrose and lactose are two carbohydrates that have the same molecular formula (C12H22011). Which of the following
O They are made up of differentlmino acids.
O They are monosaccharides with different atoms bonded to their rings.
O They each have two glucose molecules, but the arrangement differs.
O They are made of different combinations of monosaccharides.
Question 3(Multiple Choice Worth 2 points)
Answers
Answer:
Last one is correct
Explanation:
Sucrose is made of glucose and fructose
Lactose is made of glucose and galactose
Which is an example of a simile? put O His mother was trying to get him into the car. + O Moments later, Grandma appeared with a white box in her hand. O The sneakers were as red as a fire hydrant. 0 Tyrell spent the rest of the day playing basketball with a smile on his face.
Answers
Answer:
O The sneakers were as red as a fire hydrant.
Explanation:
What is the name of the structure at the end of the long pointer that allows ions to pass through the cell membrane
Answers
Dr. Leary argues that muscle contraction occurs because muscle fibers undergo a physical process of shortening. His explanation is a __________
Answers
Dr. Leary argues that muscle contraction occurs because muscle fibers undergo a physical process of shortening. His explanation is a Reduction .
Skeletal muscle fibers become shorter as a result of the interaction between dense and thin strands within sarcomeres, which shortens the sarcomere. Summation happens when multiple cues are combined to cause a stronger muscular contraction.
The combination of several spasms into one continuous movement is known as tetanus. Recruitment is the process by which the quantity of motor units triggered in a muscle grows as the number of motor neurons involved increases.
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0
1 pts
Which group consists of an example from each of the 4 organic macromolecules?
O enzymes, DNA, steroids, starch
O enzymes, carbon dioxide, water, oxygen
O enzymes, starch, carbon dioxide, steroids
O enzymes, water, steroids, oxygen ?
Answers
how sharp claws of eagle help in adaptation?
Answers
without autonomic nervous system input resting heart rate would be approximately what?
Answers
Without any autonomic nervous system input, the heart rate would be determined solely by the intrinsic firing rate of the heart's pacemaker cells, which is around 100 beats per minute in adults.
The normal resting heart rate in humans is typically around 60 to 100 beats per minute. However, the actual resting heart rate can vary depending on a number of factors, including age, physical fitness, and autonomic nervous system activity.
The autonomic nervous system is responsible for regulating many of the body's involuntary processes, including heart rate. The sympathetic branch of the autonomic nervous system increases heart rate, while the parasympathetic branch decreases heart rate.
However, in most people, the autonomic nervous system is constantly modulating the heart rate, with the parasympathetic branch predominating at rest. As a result, the resting heart rate is typically lower than the intrinsic heart rate, and without autonomic nervous system input, the resting heart rate would be higher, around 100 beats per minute.
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Consider the oligopeptide: ALKMPEYISTDQSNWHHR If treated with pepsin, how many peptide fragment(s) would be present? Enter your answer as a whole number. If no cleavage takes place, enter a " 1 " to indicate the peptide remained intact.
Answers
When treated with pepsin, the oligopeptide ALKMPEYISTDQSNWHHR would yield two peptide fragments. Cleavage occurs between the phenylalanine (F) and leucine (L) residues, resulting in fragments ALKMPEYISTDQSNW and HHR.
Pepsin specifically cleaves peptide bonds following aromatic amino acids (phenylalanine, tryptophan, and tyrosine) and certain amino acids like leucine, methionine, and glutamic acid. Analyzing the given oligopeptide, we can identify potential cleavage sites. Pepsin would cleave after the phenylalanine (F) residue, resulting in two fragments: ALKMPEYISTDQSNWHHR.
Therefore, the answer is "2" peptide fragments. The cleavage takes place between the phenylalanine (F) and the following leucine (L) residues. This would yield two separate peptide fragments: ALKMPEYISTDQSNW and HHR. The first fragment ends with the last amino acid cleaved, while the second fragment starts from the cleavage site and continues until the end of the oligopeptide.
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How are photosynthesis and cellular respiration related?
a. The products of respiration are the same products as photosynthesis
b. The reactants of respiration are the same reactants as photosynthesis
c. The reactants of respiration are the products of photosynthesis
d. Respiration uses none of the same molecules as photosynthesis
Answers
Answer:
based on the bellow reactions
IG: c
Explanation:
photosynthesis:
6CO2+12H2OSunlight ChlorophyllC6H12O6+6H2O+6O2.C6H12O6 + 6O2
respiration:
C6H12O6 + 6O2 → 6CO2 + 6H2O (glucose + oxygen -> carbon dioxide + water).
desccribe the relationship between temprature rainfall and the type of forest
Answers
The relationship between temperature, rainfall, and the type of forest is a crucial ecological factor that affects the distribution of various forests globally.
Temperature and rainfall affect forest type in various ways, depending on the geographical location, atmospheric conditions, and other natural variables.
The relationship between temperature and forest type is that warmer temperatures tend to favor tropical and subtropical forests, whereas colder temperatures are ideal for coniferous or boreal forests. Different temperature ranges in various seasons affect the growth rates, evaporation, and transpiration rates of the vegetation within a forest ecosystem.
As a result, the temperature range affects the productivity of a forest ecosystem and the biotic interactions that occur within it.Rainfall, on the other hand, also affects the type of forest that grows in a particular region. Regions that receive high amounts of rainfall support dense forests and vegetation.
Such regions are mostly located in the tropics and are characterized by tropical rainforests. On the other hand, areas that experience low rainfall amounts and dry climates are characterized by grasslands and deserts.
Moderate rainfall amounts can support temperate deciduous forests, whereas boreal forests have a comparatively lower average rainfall amount.
Besides, the type of forest growing in a particular region influences the regional climate through various processes such as transpiration, evapotranspiration, and the release of moisture into the atmosphere.
These processes affect the humidity, temperature, and precipitation patterns in the region. As a result, the relationship between temperature, rainfall, and forest type is a crucial factor that influences ecosystem stability and regional climate patterns.
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Prokaryotic cells would most likely be found in
choose one:
a. fungi
b. bacteria
c. flagellates
d. slime mold
Answers
Prokaryotic cells would most likely be found in bacteria.
Prokaryotic cells are typically unicellular organisms that lack membrane-bound organelles. They are found in bacteria, which can be either aerobic or anaerobic. The other options mentioned in the question are not likely to contain prokaryotic cells. Fungi are eukaryotic, meaning they have membrane-bound organelles, including a nucleus. Flagellates are eukaryotic as well and contain flagella to move around. Slime mold, like fungi, is also eukaryotic and contains nuclei and membrane-bound organelles.
To summarize, prokaryotic cells are unicellular organisms without membrane-bound organelles and are most commonly found in bacteria.
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Can someone help me please!!!
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BRAINLIEST!!!!
In a few sentences describe the most useful piece of information that you recieved. Make sure to use proper grammar and use detailed words.
Answers
For me it would be get good grades and succeed in life.
You are the head of an international granting agency that assist farmers with soil conservation and sustainable agriculture. You have $10 million to disburse. Your agencies staff has decided that the finding should go to farmers in an arid area of Africa prone to salinization What type of projects would you recommend funding in each of these areas, how would you apportion your funding among them, and why?
Answers
The projects that will receive funding in arid areas of Africa prone to salinization include:
Reforestation and irrigation projects -will receive about 50% of the funds.Cover-crop and salt-tolerant crop farming will receive about 30% of the funds.Desalinization projects will receive about 0% of the funding.What is salinization?Salinization is the process whereby the mineral salt content of the soil in an area increases as a result of adverse environmental conditions such as drought.
The projects that will receive funding in arid areas of Africa prone to salinization include:
Reforestation and irrigation projects - these will receive about 50% of the funds as reforestation and irrigation helps reduce soil salinity.Cover-crop and salt-tolerant crop farming will receive about 30 % of the funds as these crops help reduce soil salinityDesalinization projects will receive about 30% of the funding.In conclusion, salinization of soil poses a big threat to crop production in arid regions of Africa.
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