6.a) explain why it is important to maintain biological diversity. b) explain at least three (3) ways in which humans are impacting biodiversity. c) explain how climate change affects species diversity.
Answers
a) The processes that sustain all life on Earth, including humans, rely on biodiversity.
b) Humans have a wide range of effects on the physical environment, including overpopulation, pollution, and deforestation.
c) Climate change has a significant impact on biodiversity by increasing the intensity and frequency of fires, storms, and droughts.
We cannot have healthy ecosystems that provide us with the air we breathe and the food we eat without a diverse range of animals, plants, and microorganisms. And people also value nature of itself.
Humanity has an impact on the planet's biodiversity in a variety of ways, both intentional and unintentional. To date, the greatest threat to biodiversity has been the way humans have reshaped natural habitats to make way for farmland or to obtain natural resources, but as climate change worsens, the impact on ecosystems will grow.
Rising global temperatures have the potential to change ecosystems over time by altering what can grow and live within them. Rising ocean temperatures have an impact on marine organisms.
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Related Questions
what is the general relationship between species richness and ecosystem function and resilience to disturbances? and, why?
Answers
The mechanism of cohabitation shapes the link between species richness and ecosystem variability. theory linking environmental diversity to species richness.
What distinguishes species diversity from species abundance?The number of members of each species in a region is known as its species abundance. Additionally, it has a numerical quality. The phrase "species diversity" refers to the variety of species present in a region (also known as "species richness"), as well as their abundance and distribution within that ecosystem. It serves as a gauge of the ecosystem's diversity.
Does the functioning of an ecosystem at the landscape scale depend on species richness?The association between species richness and ecosystem functioning may thus generally be stronger at the landscape size than at lower ones, according to our findings.
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In horses, the gene for white hair W is dominant to the gene for non-white hair w. A horse with genotype WW crosses with a horse with genotype ww. What percent of offspring are expected to have white hair
Answers
All of the offspring (100%) are expected to have white hair.
In the given cross, all the offspring will inherit one W allele from the WW parent and one w allele from the ww parent, making them all heterozygous Ww. The W allele is dominant, so any individual with at least one W allele will have white hair.Therefore, all of the offspring (100%) are expected to have white hair since they all carry at least one W allele. The phenotype ratio will be 100% white hair (Ww) and 0% non-white hair (ww) as ww individuals do not carry the dominant W allele.
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If the recombination frequency between p and o is 7. 4, and between n and o it is 7. 9, what is the likely order of these genes on the chromosome if the distance between n and p is 15. 7?.
Answers
To determine the likely order of the genes on the chromosome based on the given recombination frequencies and distance, we can use the concept of genetic mapping and calculate the map distances between the genes.
Recombination frequency between P and O = 7.4%
Recombination frequency between N and O = 7.9%
Distance between N and P = 15.7 units, First, we can calculate the map distance between P and O: Map distance between P and O = Recombination frequency between P and O * Distance between N and P
Map distance between P and O = 7.4% * 15.7 = 1.1618 units, Next, we can calculate the map distance between N and O: Map distance between N and O = Recombination frequency between N and O * Distance between N and P, Map distance between N and O = 7.9% * 15.7 = 1.2363 units, Comparing the map distances, we see that the map distance between N and O is larger than the map distance between P and O. This suggests that the gene O is located between N and P. Based on this information, the likely order of the genes on the chromosome is: N ---- O ---- P.
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According to the results of Study 1, what is the
tensile stress near the bottom of a concrete beam
reinforced with steel rod #1, when carrying a
load of 250 pounds?
A. approximately 44 psi
B. approximately 52 psi
C. approximately 60 psi
D. approximately 77 psi
Answers
The tensile stress near the bottom of a concrete beam will be the amount of stress it is under in pounds, divided by the cross-section area of pressure.
Although I could not locate the study online and therefore cannot deliver an exact answer, I can provide insight as to the relationship between tensile strength, stress, and psi.
Tensile strength is described as the resistance that a material offers when placed under pressure. Simply put, how much pressure a material can withstand without fracturing determines its tensile strength.
Similarly, tensile stress is the amount of pressure a material is under at a given point in time. To calculate the tensile stress a material is under you must take the force being applied to it and divide it by the cross-sectional area receiving the force. This is usually done in square inches, and from the division is pounds per square inch, we get the term psi.
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Helicobacter pylori can grow in the stomach because it invades epithelial cells. hides in macrophages. makes a capsule. possesses an enzyme that neutralizes HCl. makes HCl.
Answers
Helicobacter pylori can grow in the stomach because it invades epithelial cells which leads to many infectious diseases.
What is Helicobacter pylori?The Helicobacter pylori penetrate into the stomach lining, where the body's immune cells can't reach it. This can lead to stomach problems.
So we can conclude that Helicobacter pylori can grow in the stomach because it invades epithelial cells which leads to many infectious diseases.
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How can bones be classified by their shapes
Answers
Long Bones: These bones are longer than they are wide and have a shaft (diaphysis) with two distinct ends (epiphyses). Examples of long bones include the femur (thigh bone), humerus (upper arm bone), and phalanges (fingers and toes).
Short Bones: These bones are roughly cube-shaped and are approximately as wide as they are long. Examples of short bones include the bones of the wrist (carpals) and the ankle (tarsals).
Flat Bones: These bones are thin and flat, with a slight curve. They usually provide a broad surface for muscular attachment and protection of internal organs. Examples of flat bones include the skull bones, ribs, and scapula (shoulder blade).
Irregular Bones: These bones have complex shapes that don't fit into any of the other categories. Examples of irregular bones include the vertebrae (spinal bones), pelvic bones, and some facial bones.
Sesamoid Bones: These bones are small and round, embedded in tendons where they pass over joints. Their shape allows them to reduce friction and improve joint stability. Examples of sesamoid bones include the patella (kneecap) and small bones in the hands and feet.
It's important to note that bones can have characteristics of more than one category. For example, the clavicle (collarbone) is a long bone, but it's also somewhat flat
1. Lines on a global map running parallel to the equator are lines of
O altitude
O longitude
O latitude
O climate
Answers
Answer:
Your answer is C) latitude.
Vhich of the following problems would be a direct result of humans building along the ocean shore zone?
O sand dunes and vegetation being disturbed
the erosion of the sand and soil from the shoreline
• the movement of sand from one place to another
sand being washed away over long periods
Answers
the erosion of the sand and soil from the shoreline
Briefly explain what an energy pyramid represents and how this relates to the one-way flow of energy through an ecosystem.
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HeLP me Plz I need help
Answers
Answer:The first one
Answer:
A would be the best answer
Write an expository essay explaining how the ideas of cell theory, heredity and genetics, and
evolation through natural selection are used by biologists to explain the unity and diversity of
life on earth today
Answers
Unity in diversity is best explained by the collaboration of research works by scientists, with the help of cell theories and genetics and natural selection.
What is evolution and how come unity in diversity can be explained?Evolution is the gradual change in the evolving of different species on Earth so far from simple to complex phenomena. Natural selection was discovered by Darwin and was first invented in the land of flinches, with the alteration in the beaks. Genetics is always remembered by Mendel's experiment initially and contributed largely to the evolution of species. Unity in diversity is the collaborative invention of all the researchers that got in the way of inventing natural selection to the cell theory. Biologists explain that this vast diversity on our planet is all safe and together due to unity.
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Which dietary recommendation is NOT included in the therapeutic lifestyle changes program?
A. substitution of unsaturated fats for saturated fats
B. increased intake of refined carbohydrates
C. decreased intake of saturated fatty acids
D. increased intake of plant sterols and stanols
E. increased intake of soluble fibers
Answers
The dietary recommendation that is NOT included in the therapeutic lifestyle changes program is B. increased intake of refined carbohydrates. This program focuses on promoting a healthier diet by reducing saturated fats, increasing unsaturated fats, and consuming more plant sterols, stanols, and soluble fibers.
The therapeutic lifestyle changes program is a set of recommendations developed by the National Cholesterol Education Program (NCEP) to help individuals lower their cholesterol levels and reduce their risk of cardiovascular disease. The program emphasizes the following dietary changes: Substitution of unsaturated fats for saturated fats, Decreased intake of saturated fatty acids, Increased intake of plant sterols and stanols, Increased intake of soluble fibers. These dietary changes have been shown to have a positive impact on lipid profiles and cardiovascular risk reduction. However, increasing the intake of refined carbohydrates is not recommended, as it can lead to increased blood sugar levels and a higher risk of developing metabolic syndrome and diabetes. Instead, the program emphasizes the importance of choosing whole-grain carbohydrates and limiting the intake of refined sugars and carbohydrates.
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Does mitosis occur in unicellular or multicellular organisms
Answers
Answer:
Multicellular
Explanation:
Somatic cells undergo mitosis to provide new cells for growth or to replace cells that have been damaged and died.
Although the RBS, ribosome binding site sequences vary considerably in different genes. they include examples like GAG GGG that could serve as code for Glu-Gly. Does this imply that the amino acid sequence Glu-Gly can never occur in a protein, lest it be read as a RBS sequence? Explain
Answers
No, the amino acid sequence Glu-Gly can still occur in a protein, even if the RBS sequence includes the same code. This is because the ribosome can distinguish between the RBS sequence and the actual coding sequence that determines the amino acid sequence of the protein.
Here's how:
The ribosome binding site (RBS) is a sequence of nucleotides in an mRNA molecule that is recognized by the ribosome, which then initiates the translation of the mRNA into a protein. The RBS sequence typically includes the start codon AUG, which codes for the amino acid methionine, and a few nucleotides upstream of the start codon that helps the ribosome recognize the correct position on the mRNA molecule to start the translation. However, the RBS sequence can also include other nucleotides that do not code for amino acids, such as GAG or GGG.In contrast, the actual coding sequence of the mRNA molecule determines the sequence of amino acids that will be joined together to form the protein. Each set of three nucleotides, called a codon, codes for a specific amino acid. For example, the codon GAA codes for the amino acid glutamic acid (Glu), and the codon GGG codes for the amino acid glycine (Gly). Therefore, the amino acid sequence Glu-Gly would be determined by the mRNA codon sequence GAA-GGG, regardless of whether the RBS sequence also included the same nucleotides (GAG-GGG) as the codons for Glu and Gly. This is because the ribosome can distinguish between the RBS sequence and the actual coding sequence, and will only translate the codons that are part of the coding sequence into amino acids.To learn more about amino acid sequences please visit:
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State the term given to something present in the environment in such short supply that it restricts life processes.
Answers
Limiting Factor is the term given to something present in the environment in such short supply that it restricts life processes.
Any element (variable) in the environment that has the potential to restrict a process, such as the expansion, abundance, or dispersion of a population of species in an ecosystem, is referred to as a limiting factor. There are both density-dependent and density-independent limiting factors.
Limiting factors can also be single-limiting, which means that only one component restricts the system. When an element has an indirect restricting impact or amplifies the influence of a direct limiting factor, it is referred to as a co-limiting factor.
Food, nutrition, shelter, and mates are a few examples of limiting factors that could affect the growth of a population. Due to their environmental scarcity, these resources might encourage competition among living creatures.
Different limiting factors have an impact on the environment. There are five of them: keystone species, predators, energy, space, and food supply.
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Suppose a segment of DNA contains five restriction sites for a particular restriction enzyme. How many fragments of DNA will remain after the enzyme is used to cut the DNA
Answers
If a segment of DNA contains five restriction sites for a particular restriction enzyme then 6 fragments of DNA will remain after the enzyme is used to cut the DNA.
What are restriction sites?A specific restriction enzyme attaches to a section of DNA called the restriction site, which has a length of 6–8 base pairs. There are numerous restriction enzymes that have been identified in bacteria. By cleaving the viral DNA, they naturally render invasive viruses inactive. Type II restriction enzymes identify restriction sites and break the DNA at certain places inside or close to the restriction site.Bacteria include restriction enzymes (and other prokaryotes). They identify and attach to particular DNA sequences known as restriction sites. Only one or a few restriction sites are recognized by each restriction enzyme.These enzymes locate the restriction sites, attach to them, and then cleave the DNA by cutting at or close to these places.To learn more about Restriction sites refer to:
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which of the following occurs when an enzyme binds a non-competitive inhibitor? group of answer choices the kd will increase but vmax will not change the vmax will decrease but kd will not change kd will increase and vmax will decrease there is not enough information
Answers
When an enzyme binds a non-competitive inhibitor, the vmax will decrease but the kd will not change.
An enzyme is a protein that acts as a biological catalyst by increasing the rate of chemical reactions in living organisms. The substrate is the molecule that an enzyme catalyzes, while the active site is the region of the enzyme where the substrate binds.
An enzyme inhibitor is a chemical or molecule that inhibits the action of an enzyme. Non-competitive inhibitors can bind to the enzyme either at the active site or at an allosteric site. The activity of the enzyme is decreased by non-competitive inhibitors that bind to allosteric sites.
As a result, the Vmax (maximum velocity of the reaction) decreases, but the Kd (dissociation constant) does not change. This implies that the affinity of the enzyme for the substrate does not alter.
The Michaelis-Menten equation can be used to study the effect of enzyme inhibitors on enzyme-catalyzed reactions.
Therefore, when an enzyme binds a non-competitive inhibitor, the Vmax will decrease, but the Kd will not change.
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Which two phrases describe the location where the force of an earthquake is
felt most strongly?
A. The epicenter
B. The focus
|
C. The point where the rock breaks underground
O D. The point on Earth's surface directly above where the rock breaks
Answers
Answer:
The answers would be B and C
Explanation:
The Focus and The point where the rock breaks underground.
Which of the following human impacts could cause Eutrophication of water bodies? Deforestation farming burning fossil fuels or all of the above
Answers
A process known as eutrophication is brought on by an excess of nutrients, primarily nitrogen and phosphorus, in water. Algae thrive, spread, and color the water green as a result of feeding on the nutrients.
Which 3 human factors contribute to eutrophication?Because of human activities, cultural eutrophication is a process that accelerates natural eutrophication. The three primary sources for anthropogenic nutrient input are sewage form cities and industrial waste water, as well as erosion and leakage from fertilized agricultural areas.
Use of fossil fuels in deforestationMore carbon dioxide is now accumulating in the atmosphere as a result of burning fossil fuels than can be absorbed by current carbon sinks like forests, as well as the loss of carbon sinks from deforestation and other activities.
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Question 1 (1 point)
What is the benefit of using the metric system and Si Units?
A. to measure accurately on equipment
B. there is no need to use the same system of measurements around the world
C.to convey information accurately so scientists can refer to the same quantity no
matter the location or language
D. so that all measurement systems can be used together
Answers
Answer:
The correct answer is - option c. .to convey information accurately so scientists can refer to the same quantity no matter the location or language.
Explanation:
S. I. system is stands for the international system of unit of measurement, it is standardized internationally which is used in most of the nations around the globe so use of SI system be same between different scientists and stream of science.
It is helpful in communicating scientific data accurately so scientists and researchers can refer same quantity no matter region or location and language.
Thus, the correct answer is - option C.
Organize the steps of the common pathway of blood clotting in the correct sequence from beginning to end.
Fibrin polymer formed Factor X + Factor Il and V, Ca^2+, and PF3 Fibrin + Ca*2+ Activated Factor XIII Thrombin converts fibrinogen into fibrin Thrombin formed Prothrombin activator activates prothrombin
Answers
The steps of the common pathway of blood clotting in the correct sequence are: the prothrombin activator activates, thrombin is formed, thrombin converts fibrinogen into fibrin, fibrin +\(Ca^+^2\) + form a fibrin polymer, activated Factor XIII stabilizes the fibrin polymer, and a fibrin polymer is formed, so correct order is 6-5-4-2-3-1..
What is the blood clotting sequence?This is a complex process that involves multiple pathways and factors in the blood, and the first step in the common pathway is the activation of Factor X, which is triggered by either the intrinsic or extrinsic pathway of coagulation. It then combines with Factor II (prothrombin), Factor V, calcium ions (\(Ca^+^2\)), and platelet factor 3 (PF3) to form a complex known as the prothrombin activator, and in this way blood clotting occurs.
Hence, the correct sequence is: the prothrombin activator activates, thrombin is formed, thrombin converts fibrinogen into fibrin, fibrin +, \(Ca^+^2\)form a fibrin polymer, activated Factor XIII stabilizes the fibrin polymer, and a fibrin polymer is formed, so correct order is 6-5-4-2-3-1.
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The question is incomplete, the complete question is below
Organize the steps of the common pathway of blood clotting in the correct sequence from beginning to end.
1)Fibrin polymer formed Factor X + Factor Il and V, Ca^2+, and PF3
2) Fibrin + Ca*2+ form fibrin polymer.
3)Activated Factor XIII stabilizes fibrin polymer
4)Thrombin converts fibrinogen into fibrin
5) Thrombin formed
6) Prothrombin activator activates prothrombin
Question 2. A population of 100 healthy women was recruited from the internal medicine practice at UT Southwestern Medical Center from June 1 – June 30, 2000 and followed for the development of breast cancer. Twelve women developed breast cancer after each was followed for 4 years. Ten women who remained healthy were followed for 2 years and then were lost to follow-up. Five women died of heart disease after 6 years of follow-up. These five women did not develop breast cancer. The remaining women remained healthy and were each followed for 10 years. a. Are the 100 women who enrolled in the study members of a fixed or dynamic population? (3.33 pts) The women are members of a fixed population.
b. Calculate the cumulative incidence of breast cancer in this population and interpret your result in one sentence. (3.33 pts) – Show your works
c. Calculate the number of person-years of observation that was accrued by this population. (3.33 pts) – Show your works
d. Calculate the incidence rate and interpret your result in one sentence. (3.33 pts) – Show your works
Answers
b) Out of the 100 women in the study, 12% developed breast cancer during the follow-up period.
c) The person-years of observation that was accrued by this population is 1,280 person-years.
d) The incidence rate of breast cancer in this population is 9.375 cases per 1,000 person-years of observation.
b. To calculate the cumulative incidence of breast cancer in this population, we need to divide the number of new cases of breast cancer by the total number of individuals at risk.
Number of new cases of breast cancer = 12
Total number of individuals at risk = 100
Cumulative incidence of breast cancer = (Number of new cases of breast cancer / Total number of individuals at risk) x 100
Cumulative incidence of breast cancer = (12 / 100) x 100 = 12%
Interpretation: Out of the 100 women in the study, 12% developed breast cancer during the follow-up period.
c. To calculate the number of person-years of observation accrued by this population, we need to sum up the individual follow-up times for each person.
Number of women followed for 4 years = 12
Number of women followed for 2 years = 10
Number of women followed for 10 years = (100 - 12 - 10) = 78
Person-years of observation = (Number of women followed for 4 years x 4) + (Number of women followed for 2 years x 2) + (Number of women followed for 10 years x 10)
Person-years of observation = (12 x 4) + (10 x 2) + (78 x 10) = 480 + 20 + 780 = 1,280 person-years
d. To calculate the incidence rate, we divide the number of new cases of breast cancer by the person-years of observation.
Number of new cases of breast cancer = 12
Person-years of observation = 1,280
Incidence rate = (Number of new cases of breast cancer / Person-years of observation) x 1,000
Incidence rate = (12 / 1,280) x 1,000 = 9.375 per 1,000 person-years
Interpretation: The incidence rate of breast cancer in this population is 9.375 cases per 1,000 person-years of observation.
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What are the pros and cons of Gene Therapy?
Answers
1.Gene therapy is a source of hope
2.The effects of therapy are long lasting and timeless
3. Gene therapy can eradicate disease and improve the quality of life
The cons of gene therapy
1. There is no guarantee and it can go wrong
2. Gene therapy is a costly treatment option
3. There is a potential for developing resistance
4. Ethical concerns
algien conoce a yaninsoto y tiene esta foto de perfil xd
Answers
Answer:
no, pero es un show si es dime cual es el nombre del show
Choose the BEST EVIDENCE to support the CLAIM: Crater lake was formed when a volcanic cone collapsed and filled with water.
Answers
Option A-Sometimes the top of a volcano is blown off or collapses during an eruption, leaving a depression called caldera which filled with rainwater.
Buren Company manufactures two products, Regular and Supreme. Buren's overhead costs consist of machining, $2,000,000; and assembling, $1,000,000. Information on the two products is: Regular Supreme Direct labor hours 10,000 15,000 Machine hours 10,000 30,000 Number of parts 90,000 160,000 Overhead applied to Regular using activity-based costing is Group of answer choices $860,000. $2,140,000. $1,800,000. $1,200,000.
Answers
As per the given question, the overhead applied to regular activity-based costing is $860,000.
To calculate the overhead applied to Regular using activity-based costing, follow these steps:
1. Determine the total overhead costs: Machining = $2,000,000, Assembling = $1,000,000. Total overhead = $3,000,000.
2. Calculate the cost drivers: Direct labor hours = 25,000 (10,000 for Regular + 15,000 for Supreme); Machine hours = 40,000 (10,000 for Regular + 30,000 for Supreme); Number of parts = 250,000 (90,000 for Regular + 160,000 for Supreme).
3. Allocate overhead costs to cost drivers: Machining = $2,000,000 / 40,000 machine hours = $50 per machine hour; Assembling = $1,000,000 / 250,000 parts = $4 per part.
4. Calculate the overhead applied to Regular: Machining = 10,000 machine hours x $50 per machine hour = $500,000; Assembling = 90,000 parts x $4 per part = $360,000.
5. Add the overhead costs for Regular: $500,000 (machining) + $360,000 (assembling) = $860,000.
The overhead applied to Regular using activity-based costing is $860,000.
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a forest that was logged in the 1980's but has since been set aside as a reserve that the new trees are growing in essentially undisturbed conditions is the example of which type of forest
Answers
The forest that was logged in the 1980s but has been reserved, and new trees are growing in undisturbed conditions is the example of a secondary forest.
What is a secondary forest?A secondary forest is a forest that grows on previously cleared land, such as abandoned farmland or logged forest areas. In other words, a forest that was previously cleared of trees and has regrown naturally or been replanted is known as a secondary forest.
A secondary forest is formed in areas that have previously been cleared of natural forests. Natural forests can be destroyed by human activities like deforestation, wildfires, or land-use changes. These forests regenerate spontaneously, with little or no human intervention, and serve as a significant carbon sink.
However, secondary forests are still ecologically valuable, even if they are not as biodiverse as mature forests. They play an important role in absorbing atmospheric carbon and producing oxygen while providing habitat for a wide range of animal species.
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an older adult who abuses alcohol has fallen and is diagnosed with a hematoma that is located under the skull but outside of the brain. which type of hematoma fits this description?
Answers
The hematoma that fits the description is an epidural hematoma.
Hematoma refers to the heavy clotting of blood in a tissue or organ. Hematoma can be found in any part of the body. The main reason for the cause of hematoma is mainly associated with trauma. An epidural hematoma is a hematoma that is formed between the skull and the brain’s exterior lining. Since one of the main reasons for a hematoma in the brain could be trauma or aneurysm, a person who abuses and is addicted to alcohol is most likely to develop an epidural hematoma in his skull outside the lining of his brain.
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the gulf of california is located on the tropic of cancer. at what position of earth, will the sun be exactly overhead at the gulf of california? position 1 position 2 position 3 position 4
Answers
The Gulf of California is located on the Cancer Tropic. At d) Position 4, the sun will be directly overhead in the Gulf of California.
The summer solstice is represented by position D in the illustration. It's the condition that occurs when the sun is directly above the cancer tropic( the Gulf of California). Every time on June 22nd, the northern semicircle gests summer solstice while the southern semicircle gests downtime solstice.
The Tropic of Cancer, also known as the Northern Tropic, is the northernmost circle of latitude on Earth where the Sun can be directly above. This happens during the June solstice, when the Northern Hemisphere is at its most inclined toward the Sun.
On the December Solstice, it also reaches 90 degrees below the horizon at solar night. The circle is presently 23 ° 26 ′10.5 ′ ′( or23.43625 °) north of the Equator, according to a constantly streamlined formula.
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Correct question:
The Gulf of California is located on the Tropic of Cancer. At what position of Earth, will the sun be exactly overhead at the Gulf of California?
a) Position 1
b) Position 2
c) Position 3
d) Position 4
help me i will give you all 30 point
If a DNA strand consisted of 30% T, what percent A would it have?
If a DNA strand consisted of 30% T, what percent G would it have?
If a DNA strand consisted of 10% G, what percent T would it have?
If a DNA strand consisted of 15% A, what percent G would it have?
Why is DNA important in determining the uniqueness of an organism?
Answers
Answer:
30 Adenine
30 Thymine
20 Cystosine
20 Guanine
Explanation:
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