Answer:
key difference between dominant and recessive alleles is that dominant alleles are the alleles that give the phenotype, masking over the other phenotype, while recessive alleles are the alleles that are suppressed by the dominant allele.
Explanation:
Final answer:
A dominant allele is expressed in an organism's phenotype even if only one copy is present, while a recessive allele is only expressed if two copies are present. This expression pattern determines the visible traits, with dominant alleles masking recessive ones in heterozygous individuals.
Explanation:
Difference Between Dominant and Recessive Alleles
The main difference between a dominant allele and a recessive allele lies in their expression in an organism's phenotype. A dominant allele is always expressed in the phenotype even if just one copy is inherited. In contrast, a recessive allele can only be expressed in the phenotype if two copies are present. This means that in a heterozygous individual (one who has different alleles at a particular gene locus, such as 'Aa'), the dominant allele (A) will mask the expression of the recessive allele (a).
As an example, if we consider the ABO blood group system, an individual inheriting one allele for blood type A and one for blood type O will have the blood type A because A is dominant over O. Meanwhile, for a person to have blood type O, a recessive trait, they must inherit two O alleles.
It is important to understand that dominance does not imply superiority or higher frequency in the population but simply reflects the mechanism of inheritance and expression of certain characteristics. Indeed, the same allele can be dominant in relation to one allele and recessive to another, illustrating the context-dependent nature of these terms.
Which sources of nutrient pollution are mentioned and shown in the video? Check all that apply.
Answer: farms, laundry detergent‘s,pet waste, water treatment plants
Explanation:
The primary sources of nutrient pollution mentioned in the video are the overuse of artificial fertilizers, industrialization, urbanization, and the biomagnification of harmful substances in aquatic food webs.
Explanation:
The video mentions several sources of nutrient pollution that have a significant impact on aquatic ecosystems. One of the primary sources is the inappropriate use and overuse of artificial fertilizers in both agricultural and residential settings. These fertilizers are rich in nitrogen and phosphorus compounds, which can leach into drainage systems and end up in lakes and coastal marine ecosystems.
Another major source of nutrient pollution underlined is industrialization and urbanization. Elements of human waste, chemicals, and heat stemming from concentrated human settlements contribute significantly to water pollution. Food production methods that require liberal use of nitrogen and pesticides result in these substances re-entering the water system, further proliferating nutrient pollution.
The video also addresses pollution that occurs through human activities' excessive introduction of naturally limited nutrients like iron, nitrogen, and phosphorus to aquatic ecosystems. The video highlighted the biomagnification of substances such as polychlorinated biphenyls (PCBs) and heavy metals (mercury, lead, cadmium) in aquatic food webs, which can adversely affect human health.
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A woman with Type O blood and a man who is Type AB are expecting a child. What are the possible blood types of their baby? Show your work with a Punnetts.
Answer:
All Blood Types
Explanation:
Answer: The possible blood types are A and B.
Explanation: Blood types are classified on the basis of the antigen type present in an individual. There are two types of antigens, antigen A and B. An individual with blood type O has no antigen, while an individual with blood type AB has both antigens. An individual with blood type A has antigen A while an individual with blood type B has antigen B. When A woman with blood type O crosses with a man with blood type AB, the child inherits no antigen from the mother but inherits either antigen A or B from the father.
See the attached punnet square for more information.
Suppose you have made the following hypothesis:The greater the height from which you drop a ball, the faster the ball will be traveling when it hits the ground because gravity has more time to speed it up.If you observed that a ball dropped from a height of 6 feet has a higher speed than a ball dropped from a height of 3 feet, does that evidence support the hypothesis?A.Yes, the evidence supports the hypothesis.B.No, the evidence contradicts the hypothesis.C.The evidence is not related to the hypothesis. please help
Answer:
The correct option is A) Yes, the evidence supports the hypothesis.
Explanation:
In the field of scientific research, a hypothesis can be described as a tentative statement which can either be proved right or wrong based on the results form the experiments we perform.
As the results from the experiment showed that the ball which was thrown from a greater height had a greater speed, hence this means that the evidence from the experiment supported the hypothesis.
Which is the largest Zone in the ocean?
A. Intertidal
B. Neritic
C. Oceanic
What is the difference between genus and species?
Answer:
A genus ranks just above the species in an organism's taxonomic hierarchy. A genus is made up of any number of species, while a species is composed of any number of subspecies or breeds.
Explanation:
Answer:
alot of difference
Explanation:
If an atom has 16 protons, 14 neutrons, and 20 electrons, what is the atom's electrical charge?
The electrical charge of atom is equal to -4.
Explanation:An atom consists of protons, electrons and neutrons as its elementary particles of which:
Protons are positively chargedNeutrons have no charge (neutral)Electrons are negatively charged.When an atom has its number of protons equal to the number of electrons, the total charge on the atom is zero and it is termed as a neutral atom.
Given:
Number of protons : [tex]n_p = 16[/tex]
Number of neutrons : [tex]n_n = 14[/tex]
Number of electrons : [tex]n_e = 20[/tex]
Since, [tex]n_p \neq n_e[/tex], the atom is not neutral and has some electrical charge present.
Number of protons = Number of positive charges = + 16
Number of electrons = Number of negative charges = - 20
Since,
Total charge = (Number of positive charges) + (Number of negative charges)
[tex]= [( + 16 ) + ( - 20)] = (-4)[/tex]
OR
Total charge = Number of protons - Number of electrons
[tex]n_p-n_e = 16 - 20 = -4[/tex]
Therefore, the electrical charge of atom is equal to (-4).
What types of questions could a researcher investigate using a computer model of the enzyme Maltese
Computer model of the enzyme will help researcher investigate its reaction specificity, the effect of alteration or concentration, kinetics of the reaction.
Explanation:
Maltase enzyme is found in saliva and pancreatic juices. Its function is to convert maltose into simpler absorbing form glucose in the process of digestion.
Computer model of enzymes are studied and observed for below-mentioned reasons:
The substrate-enzyme complex pf maltase can be studied to know the specificity of the enzyme.
Chemical structure of the maltase enzyme can be known.
The Activation energy of maltase enzyme can be known.
Enzyme kinetics of the maltase will be studied.
Concept of allosteric sites is studied.
The effect of a mutation on the enzyme can be studied.
The effect of change in concentrations of enzymes or substrate could be studied.
A computer model of the Maltese enzyme could help the researcher to investigate the substrate specificity and reaction kinetics of the enzyme.
What is maltase?It is an enzyme that converts maltose or malt sugar into glucose. It is found in saliva and pancreatic juice.
A computer model of enzyme can help the researcher in the following ways,
It can help to find the substrate specificity of maltase with maltose.It can help to find the reaction kinetics of the enzyme.It can help determine the effect of factors such as temperature, and concentration of substrate.Therefore, a computer model of the Maltese enzyme could help the researcher to investigate the substrate specificity and reaction kinetics of the enzyme.
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5. Why are index fossils useful in dating rock layers?
Answer:
Fossils are used to determine the ages of rock layers.Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in.
Explanation:
Douglas fir, redwood, spruce, and cedar are trees adapted to survive in areas with heavy precipitation.
In which climatic zone would these trees be found?
A marine west coast
B Mediterranean
C humid subtropical
D steppes
It's either A marine west coast, or C humid subtropical.
" The correct option is A. The correct climatic zone where Douglas fir, redwood, spruce, and cedar trees would be found is A. marine west coast.
These trees are adapted to survive in areas with heavy precipitation, which is a characteristic of the marine west coast climate. This climate is dominated by the oceanic climate and is typically found on the western sides of continents between the latitudes of 40° and 60°. It is characterized by mild winters, cool summers, and abundant rainfall throughout the year, which is ideal for the growth of these types of trees.
On the other hand, the humid subtropical climate (C) does have significant rainfall, but it also features hot summers and generally experiences more seasonal variation in precipitation, which may not be as suitable for these specific tree species. The Mediterranean climate (B) is known for its dry summers and wet winters, which is not consistent with the conditions preferred by these trees. The steppes climate (D) is semi-arid with low precipitation, which would not support the growth of these trees that are adapted to heavy precipitation.
Therefore, the marine west coast climate (A) is the most appropriate choice for the habitat of Douglas fir, redwood, spruce, and cedar trees."
Which definition is the best for “semipermeable membrane”?
It is a barrier that prevents materials from moving from one side to the other.
(a)It is a barrier that allows materials to move freely from one side to the other.
(b)It is a barrier with tiny openings that let some, but not all, materials pass through.
(C)It is a barrier that helps materials move from one side to the other.
A semipermeable membrane is a barrier with tiny openings that allow only certain small molecules to pass through, playing a crucial role in processes like osmosis.
Explanation:The best definition for a semipermeable membrane is (b) It is a barrier with tiny openings that allow some, but not all, materials to pass through. This type of membrane has small pores that allow only small molecules to pass through while preventing others. Additionally, in some kinds of semipermeable membranes, certain molecules can dissolve in the membrane and diffuse across it. This is essential in processes such as osmosis, where the semipermeable membrane regulates the movement of water across itself to balance solute concentrations on both sides.
The biosphere:
ends at the surface of the earth
extends miles below the surface of the earth
includes all the living organisms on the planet
all of the above
The biosphere includes all the living organisms on the planet
Explanation:
The biosphere includes all the living organisms on the planetThe biosphere is a global ecological system that forms the layer of the earth where life exists.The layers of earth that form the biosphere are lithosphere (rock), hydrosphere (water) and atmosphere (air) which together known as an ecosystem.Biosphere acts as a self-supporting and self-regulating system were the remaining of the dead plants and animals are released into soil and ocean thus, in turn, it is reabsorbed by plants for growing. The biosphere sometimes is one large ecosystem that is comprised of a complex community of living and nonliving things functioning as a single unit.Which statement best describes what the mass of an object represents?
Answer:
mass
Explanation:
represents the mass of an object
Think about the work you completed in your reading role. Determine the ideas that would be
most worthy to share in a literary discussion about Johnny Themain Provide an explanation for
your choices. How did the role you selected and the work you completed help you to
understand more about the text? Support your response with at least two pieces of evidence
from the novel
I think there is an answer that might be helpful. Well, you may copy and paste if necessary: The story commence in Boston in 1773. Johnny Tremain, a fourteen-year-old silversmith’s trainee worked for Mr. Lapham, an elderly silversmith, and reside in his house with Mrs. Lapham, the silversmith’s daughter-in-law, and Mrs. Lapham’s four daughters. Johnny is diligent, helpful and he is a leader in the household. Dove, a senior trainee, dislikes him for this which at times make him pick up a quarrel with johnny. From the onset of the novel, the devout Mr. Lapham encouraged Johnny to study a Bible verse about the peril of pride.
Later on, John Hancock, a wealthy merchant, went to place an order for a ornamental sugar basin to go along with his current silverware. Johnny is fascinated by the work on the current set and is amazed to know that Mr. Lapham produced it in his youth. Since Mr. Lapham is aging and is not as skilled as before, Johnny needs to help him to produce the sugar basin.
That partucular night, Johnny started walking on the Long Wharf with Cilla and Isannah, the two youngest Lapham daughters.
Johnny carried his shape of the sugar basin to Paul Revere, a master silversmith, for his opinion. Mr. Revere offered him some ideas on how to make the basin more attractive. Johnny is in a rush to have the finishing work done to the handle before it Mr. Hancock is set to collect it on Monday, so with the aid of Mrs. Lapham, he works on it on Sunday (of which he ought not to do since it is the Sabbath). Dove and Dusty Miller, the younger apprentice, are ought to help Johnny. But on the other hand, they are upset by his arrogant behaviour so they give him a fractured crucible to place the melted silver in. Initially, The prank ought to be a daft rational joke to humble Johnny a little, but he spatter melted silver all over himself and seriously burned his hand. Mrs. Lapham Mrs. Lapham employs Gran’ Hopper, a midwife, to take care of Johnny, but she couldn't keep his hand level so it twist in on itself and turn out to be hopeless. Johnny can never be a silversmith now.
1.6. Sierra is asked to demonstrate how carbon travels from the atmosphere to living organisms, then
back to the atmosphere. She draws a diagram showing carbon dioxide from the atmosphere being
taken in by a plant. An animal then consumes the carbon dioxide in the plant, uses it as a source of
energy, then exhales, returning the carbon dioxide to the atmosphere.
What step in this diagram needs to be corrected?
A. Animals do not release carbon dioxide; only plants do.
B. Animals do not use carbon dioxide as an energy source; they use carbohydrates.
C. Plants do not transfer carbon to animals; animals absorb it directly from the atmosphere.
D. Plants do not absorb carbon dioxide from the atmosphere; they only absorb it from the ground.
Answer:
B. Animals do not use carbon dioxide as an energy source; they use carbohydrates.
Explanation:
The most readily form of energy that an animal requires is carbohydrate molecules. Monosaccharide carbohydrates can be easily broken down and hence are the best sources of energy. Carbohydrates are broken down in the process of cellular respiration to generate ATP. ATP is the energy driving molecule which is required by every cell of an organisms body to carry out its normal metabolic functions. Hence, animals use carbohydrates as a source of energy, not carbon dioxide.
Final answer:
B. Animals do not use carbon dioxide as an energy source; they use carbohydrates. During respiration, animals then release carbon dioxide back into the atmosphere, correcting the step in Sierra's diagram.
Explanation:
The step in Sierra's diagram that needs correction is the statement that an animal consumes the carbon dioxide in the plant and uses it as a source of energy before exhaling it back into the atmosphere. The correct process is that animals consume the carbohydrates in the plants, not carbon dioxide, and these carbohydrates are then used as a source of energy. When animals respire, they release carbon dioxide back into the atmosphere, completing the carbon cycle.
the process of photosynthesis
Answer:
Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water. This glucose can be converted into pyruvate which releases adenosine triphosphate (ATP) by cellular respiration. Oxygen is also formed.
Explanation:
Step 1-Light Dependent. CO2 and H2O enter the leaf.
Step 2- Light Dependent. Light hits the pigment in the membrane of a thylakoid, splitting the H2O into O2.
Step 3- Light Dependent. The electrons move down to enzymes.
Step 4-Light Dependent. ...
Step 5-Light independent. ...
Step 6-Light independent.
PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!!! How does crossing over help create daughter cells that are different?
Answer:
Figure it out yourself
Explanation:
Answer:
It works by going throught the uterus lining then it goes to the umbilical cord then it goes to tbe placenta
A scientist is trying to determine the relationship between clams, snails, and squid. When she generates a molecular clock,
she is surprised to see that clams and squid are more closely related than clams and snails. Which did the molecular clock
data show?
Clams and squid have been evolving separately for a longer time than clams and snails.
Clams and squid have been evolving separately for a shorter time than clams and snails.
Clams and snails have more in common genetically than clams and squid.
Clams and snails are more similar in related structures than clams and squids.
Answer:
B. Clams and squid have been evolving separately for a shorter time than clams and snails.
Explanation:
A molecular clock is a genetic tool often used in Evolutionary Biology which states that the genetic material and proteins evolve over time at a relatively constant rate. Therefore, the differences in their genome depend on the common ancestor both species share.
In this case, clams and squid are more closely related than clams and snails. Therefore, they have been evolving separately for a shorter time than clams and snails.
How do you do letter c
Answer:
The gene that appears more in the family tree is dominant
The gene that appears less is recessive.
It seems that all the white shapes are dominant and the black shapes are recessive.
The human activities in two locations are described below: Location A: Rampant use of plastic containers Location B: Excessive use of pesticides and fertilizers Which statement is most likely true? Location A will have poor air quality because plastic is biodegradable. Location A will experience water scarcity because plastic absorbs moisture. The population of honeybees will increase in Location B because production of crops will increase. The population of fish in Location B will decrease because the water is contaminated.
Answer:
The correct option is D) The population of fish in Location B will decrease because the water is contaminated.
Explanation:
Excessive use of pesticides and fertilizer has very toxic effects on the wild life of the nearby oceans and seas. The toxic elements of the pesticides and fertilizers get eroded into the nearby lakes and rivers due to situations like flood etc. When such toxic elements and compounds enter the lakes and rivers, they cause the death of the fishes and other organisms present in the sea as they are poisonous. This causes that population of the fishes to decline.
Answer:
The population of fish in Location B will decrease because the water is contaminated.
Explanation:
by using pesticides and fertilizers to get rid of bugs eating your plants, the pesticides and fertilizers will stay in the air until blown or have fallen into whatever water source it could have fallen into, and contaminate that water source, whether close or far.
Imagine that hair color and eye color in humans are each determined by a single gene, and that each trait is found at different loci of the same chromosome. A human is heterozygous for hair color (Hh) and eye color (Ee). Using representations, show all the potential combinations in which these alleles could be distributed by the process of meiosis to gametes.
Answer:HE, he, He,
Explanation: not hE because that is a recessive trait, not dominant
A human heterozygous for hair color (Hh) and eye color (Ee) can produce four different combinations of alleles through meiosis: HE, He, hE, and he. These combinations account for the different potential gametes that can be formed, which will ultimately influence the genetic traits of offspring.
Inheritance of traits such as hair color and eye color in humans can provide interesting insights into genetics. When a person is heterozygous for two traits, such as hair color (Hh) and eye color (Ee), located on different loci of the same chromosome, several combinations of alleles can be produced through meiosis. Meiosis is a process of cell division that reduces the chromosome number by half and leads to the production of gametes (sperm or eggs). The resulting gametes will contain one allele for each gene - either H or h for hair color and E or e for eye color.
In the given scenario, without crossing over, four possible combinations of these alleles can result from meiosis in a heterozygous individual:
HEHehEheHowever, if crossing over occurs between these genes during meiosis, there could be additional combinations of alleles in the gametes. In reality, eye color and hair color are examples of polygenic inheritance, meaning that multiple genes influence these traits. Despite this complexity, understanding the basic genetic principles is valuable for studying how traits are passed from one generation to the next.
Which of the following characteristics suggests that whales evolved from terrestrial animals?
A) whales feed their young milk
B)whales use a tail fluke for locomotion
C) whales have lunges and breath air
D)whales lack hind limbs
Answer:C) whales have lunges and breath air
Explanation:
Whales does not breathe air or extract oxygen that dissolve in water through gills or directly through skins like other aquatic animals.
Unlike fish that has gills (feathery organ full of blood vessels) that helps it breathe by taking water into its mouth and forcing it out through the gill passages.
Whales has lungs and breathe through the nostrils called a blowhole, located right on top of their heads, whales have two blow holes (with exception of sperm whales)
Answer:
C) whales have lungs and breath air
Explanation:
What is the first cell after fertilization called?
Final answer:
After fertilization, the zygote undergoes mitotic divisions through a process called cleavage. By day four, it forms a solid ball of cells known as the morula. With further divisions and the formation of a fluid-filled cavity, it becomes a blastocyst.
Explanation:
The first cell formed after fertilization is called the zygote. This single cell undergoes a process known as cleavage, which involves several mitotic divisions that increase the number of cells without increasing the overall size. By approximately the second day after fertilization, the zygote has divided to form two cells, and these mitotic divisions continue every 12 to 24 hours. By day four, the cells arrange into a solid ball called a morula. Eventually, more divisions occur, and a fluid-filled cavity forms, transforming the structure into a blastocyst, which consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast, with the cavity being the blastocoel.
If a heterogeneous woman with traits for dark hair and freckles has a bay with a man with the same traits what is the chance their child would be born no freckles and light haired
Answer:
The correct answer is [tex]\frac{1}{16}[/tex] or zero, depending on the fathers genotype.
Explanation:
According to the question, dark hair phenotype is dominant over light hair. freckled phenotype is dominant over non-freckled phenotype.Let for hairs, dominant allele be D and the recessive allele be d.Let for freckles, dominant allele be F and the recessive allele be f.According to the question, the mother is heterozygous for both the traits, that is, she has the genotype, DdFf and phenotype, dark hair and freckles.But the father is said to have the same traits but not mentioned to be homozygous (DDFF) or heterozygous (DdFf).If he is homozygous, then he would produce only DF gametes.The mother produces the following gametes : DF, Df, dF, df.On crossing homozygous father (DDFF) with heterozygous mother (DdFf), all the offspring will have dark hair with freckles, so probability of obtaining a child with light hair and no freckles is zero.If both the parents are heterozygous, DdFf,Crossing them,DF Df dF df
DF DDFF DDFf DdFF DdFf
(D/F) (D/F) (D/F) (D/F)
Df DDFf DDff DdFf Ddff
(D/F) (D/NF) (D/F) (D/NF)
dF DdFF DdFf ddFF ddFf
(D/F) (D/F) (L/F) (L/F)
df DdFf Ddff ddFf ddff
(D/F) (D/NF) (L/F) (L/NF)
In the above cross, in the brackets (), D means dark hair.F means freckled.L means light hair.NF means non-freckled.The phenotypes observed are :Dark hair with freckled - 9.Dark hair with non-freckled - 3.Light hair with freckled -3.Light hair with non-freckled - 1.Probability that a child born would be light haired with no freckles (ddff) is [tex]\frac{1}{16}[/tex].describe how each factor contributes to the genetic diversity of sexually reproducing organisms
Changes in mitosis, crossing over, random fertilization and random arrangement in meiosis.
Explanation:
Genetic diversity of sexually reproducing organisms are controlled by many factors and they are - changes in mitosis, crossing over, random fertilization and random arrangement in meiosis.
During crossing over, the sister chromatids of homologous chromosome crossover and exchange their genes which leads to recombination eventually causing genetic diversity.
Random fertilization of male and female gametes leads to the formation of zygote having the genetic content of both maternal and paternal gametes causing variation.
Environmental factors also causes some change in with time.
Sexual reproduction increases genetic diversity through crossing-over, independent assortment, and the random union of gametes, leading to offspring that are genetically unique from their parents.
The process of sexual reproduction is critical to the genetic diversity of sexually reproducing organisms. Several factors contribute to this diversity:
Crossing-over during meiosis allows for the exchange of genetic material between homologous chromosomes, creating new combinations of genes.
Independent assortment of chromosomes during meiosis results in gametes with various possible combinations of chromosomes, contributing to genetic variation.
The random union of gametes ensures that each zygote (fertilized egg) has a unique genetic makeup, further promoting genetic diversity.
These mechanisms ensure that offspring have a combination of alleles and genes that are different from both parents, providing a wealth of genetic variation that forms the basis for evolutionary adaptation and the capacity of species to survive changes in the environment.
The Greenhouse Effect is terrible for the planet Earth and the environments
contained here.
True
(
False
The given statement is false.
The statement "False" indicates that the Greenhouse Effect is not inherently terrible for the planet Earth and its environments. While the natural Greenhouse Effect is essential for maintaining a habitable temperature on Earth by trapping some of the sun's heat, concerns arise due to human activities contributing to an enhanced Greenhouse Effect.
Human-induced emissions, particularly of greenhouse gases like carbon dioxide, methane, and nitrous oxide, intensify the natural warming effect. This anthropogenic impact leads to global warming and climate change, causing adverse effects on ecosystems, weather patterns, and sea levels. Thus, it is the intensified, human-driven Greenhouse Effect that poses environmental challenges rather than the natural Greenhouse Effect itself. Hence ,the given statement is false.
Complete question:
The Greenhouse Effect is terrible for the planet Earth and the environments contained here.
True
False
Which of the following is likely to happen at a location that has huge reddish sandstone rocks?
Sinkholes may form due to wind erosion.
Sinkholes may form due to water erosion.
Arches may form due to glacial movement.
Arches may form due to weathering and erosion.
P.s Please answer fast!!!
And also if you answer quickly that would be much appreciated!!!
Final answer:
The most likely geological process at a location with reddish sandstone is the formation of arches due to weathering and erosion, not the formation of sinkholes which are common in limestone regions, nor due to glacial movement.
Explanation:
At a location with huge reddish sandstone rocks, the likely geological process to occur is the formation of arches due to weathering and erosion. This occurs because wind, water, heat, and cold all contribute to the weathering of rocks, breaking them down into smaller pieces. Over time, weathering and erosion can lead to the creation of unique geological formations such as arches, where non-resistant rock gets worn away, leaving more durable materials behind to form the arch.
Sinkholes, on the other hand, commonly form in areas of limestone where water erosion and chemical weathering can create subterranean voids that eventually collapse, which is not the typical process for the formation of features in sandstone environments. Furthermore, sandstones do not typically form due to glacial movement, as they are a result of sediment deposition in environments where oxygen is present, which leads to their reddish color.
The agricultural revolution took place approximately _____. A. 100 years ago B. 300 years ago C. 100,000 years ago D. 10,000 years ago
Answer: b
Explanation:
Who determined that involved traits are determined by discrete factors? In what year?
Answer:
Gregor Mendel
Explanation:
It wasn't until 1865 that an Augustinian Monk named Gregor Mendel found that individual traits are determined by discrete "factors," later known as genes, which are inherited from the parents. His rigorous approach transformed agricultural breeding from an art to a science.
What happens at location B on this map?
1. erosion
2. acid rain
3. crystalization
4. glacier formation
The phenomenon at location B on the map can range from erosion, acid rain, crystallization or glacier formation. Which happens depends on location B's environmental, geological and climatic circumstances.
The phenomenon that occurs at location B on the map can include a variety of geographical and environmental processes depending on the characteristics of that location. Examples of these phenomena can be erosion, acid rain, crystallization, and glacier formation. Let's discuss each one briefly.
Erosion is the process where natural forces like water, wind, and ice break down rocks and soil. It's an integral part of the geomorphological process that reshapes the Earth's features. Acid rain occurs when sulfur dioxide and nitrogen oxides are released into the atmosphere, interact with water and other chemicals to form acidic pollutants that fall to the earth, causing harm to the environment and human-made structures.
Crystallization is a process by which a solid forms, where the atoms or molecules are highly structured into a structure known as a crystal. Some of the ways by which crystals form in nature is from mineral solutions within the Earth's crust or at the Earth's surface. Glacier formation happens when snow remains in one location long enough to transform into ice. Over many years, layers of snowfall compress and turn into dense, flowing ice that we know as glaciers.
The precise process that occurs at location B would be determined by factors such as climate, geological structure, and human influence among others.
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What natural object inspired the structure of a submarine ballast tank?
Answer:
The blowfish or argonaut octopus inspired the structure of submarine ballast tank
Explanation:
A submarine can be usually referred to as a submersible warship that is constructed in such a way that it can be operated at a great depth below the sea or oceans, and is mainly used for defense purposes.
This submarine is comprised of a ballast tank, and as it dives, the ballast tanks are occupied by water and the air present inside this ballast tank is allowed to move out until the overall density becomes larger than the surrounding water, resulting in the sinking of the submarine.
This ballast tank structure was inspired by the aquatic fish namely the blowfish or argonaut, whose body resembles the shape of a submarine.