Help me out with this science question please.​

Answer:

if the world over populates we will have to much trash and there will not be enough space for all the people so yeah thanos was trying to help us

Explanation: can you mark me brainleist

A carbohydrate is an organic compound such as sugar or starch, and is used to store energy. Like most organic compounds, carbohydrates are built of small, repeating units that form bonds with each other to make a larger molecule. In the case of carbohydrates, the small repeating units are called monosaccharides.

Answer:

I think is B because at stage 4 we can observe that different kinds of cell formed(the cell on the edge is different from the inner cell)

Explanation:

Answer:

i think its b as well

Explanation:

Answer:

b

Explanation:

it's kind of a trick question but im pretty sure this is the answer

Genetic variation decreases as a result of inbreeding, genetic drift, restricted gene flow, and small population sizes.

There aren't many variations among individuals in a species with low genetic diversity since there aren't many different gene alleles present. This would imply that there are less chances to adjust to environmental changes. Due to habitat degradation, low genetic diversity is frequently observed.

The difference in DNA between individuals or communities is known as genetic variation. Mutation and genetic recombination are two of the many processes that cause genetic variation. Genetic variety is primarily caused by mutations, although it is also influenced by other processes including genetic drift.

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Explanation:

A) Cells of protist organisms do contain a nucleus. This kingdom is made up of species that do not really easily fit into other kingdoms such as the plant, animal, and fungi kingdom.

B

plants are autotrophs, organisms that make their own food. With over 250,000 species, the plant kingdom is the second largest kingdom.

Explanation:

a) protoctists

b) plant kingdom

hope it helps!

An organism that has two different alleles of a given gene has a(n) heterozygous genotype. aneuploid dizygous heteromorphic heterozygous homozygous

Heterozygous genotypes are characterized by two different alleles of a particular gene. These alleles can be inherited from different parents or from the same parent, and this type of genotype is also known as a dizygous genotype.

An example of this is eye color; if an individual has one allele for blue eyes and one allele for brown eyes, they would have a heterozygous genotype. This type of genotype is important for producing genetic diversity, allowing for adaptations that can be beneficial to a species. It is also important to note that having a heterozygous genotype does not guarantee that the individual will express the traits of both alleles; rather, the individual will usually express the trait of the dominant allele.

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More carbon dioxide is evaporating into the ocean as a result of human-driven increases in atmospheric carbon dioxide concentrations. Currently, the ocean has an average pH of 8.1, which is basic (or alkaline), but when more CO2 is absorbed, the pH drops and the ocean becoming more acidic.

Carbon dioxide dissolves in seawater as it reaches the ocean. It first creates carbonic acid. The carbonic acid then "dissociates," or separates, into bicarbonate ions and hydrogen ions. Ocean acidification is caused by an increase in hydrogen ion concentration and a decrease in carbonate ions as a result of increasing CO2 absorption.

Carbonate ions are necessary for the growth of the shells and thriving of clams, mussels, crabs, corals, and other marine life.

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The expression of one or more genes can be regulated by regulatory regions, as is well known.

The findings confirm the theory that the deficiency in the afflicted kid is caused by the regulatory DNA, which will not remodel, according to the data in the table.

Inheriting qualities from one generation to the next is made possible by genes, which are a component of DNA.

Gene regulation, the earliest genetic regulatory system, was first clearly shown in the Lac gene (operon), a basic unit of DNA.

The lac gene is necessary for the "breakdown of lactose" and aids in its for the transportation.

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Note : The table sequence of above question is attached bellow,

The 1:2:1 genotypic ration dictates the law of are is homozygous dominant, heterozygous dominant and homozygous recessive.

A 1:2:1 genotypic ratio is a ratio of alleles that is found in a monohybrid cross. A monohybrid cross is a type of genetic cross in which only one trait is being studied. In a 1:2:1 ratio, the first number represents the homozygous dominant genotype, the second number represents the heterozygous genotype, and the third number represents the homozygous recessive genotype. This ratio can be found by using the Punnett square method.

This generally represents the genetics, of the first generation of the monohybrid cross made between the pea plant showing dominant and recessive traits. Such that dominant parent was homozygous dominant and recessive parent was homozygous recessive.

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A feature that the stomach and the small intestine have in common is mucus secreting cells.

The three parts of the intestinal wall are the ileum, jejunum, and intestine. It aids with the further metabolism of foods that are stomach-born. In order for the body to use water, vitamins, minerals, carbohydrates, fats, and proteins, it absorbs them from meals. The tiny intestine is a part of the digestive system.

Digestion fluids are produced in our stomach to help in the breakdown of food. It stores food until it is ready to be discharged into our small intestine.

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When protease is added, proteins breakes into smaller polypeptides or single amino acids, and forms new protein products.

A protease is an enzyme that catalyzes (increases reaction rate or "speeds up") proteolysis, breaking down proteins into smaller polypeptides or single amino acids and promoting the creation of new protein products. It is also known as a peptidase, proteinase, or proteolytic enzyme.

They achieve this by using hydrolysis, a mechanism in which water breaks bonds, to cleave the peptide bonds found in proteins. Protein digestion after ingestion, protein catabolism (the breakdown of aged proteins),[3][4] and cell signaling are only a few of the biological processes that proteases are involved in.

All living forms and viruses have proteases. They have repeatedly developed independently.

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Answer: C

Explanation: When a plant with genotype yy and Yy are crossed there will be two yellow offsprings with genotype Yy(where yellow is dominating) and another two with yy(where leaves are completely red)

According to the information provided, yellow leaves (Y) are a dominant characteristic over red leaves (Y), which means that if the allele for yellow is paired with allele for red leaves as can be seen in Punnett square, it will hide the expression of red leaves. So, the correct option is D.

The genotypes of a specific crossing or breeding experiment are predicted using the Punnett square, a square diagram. Biologists use the figure to calculate the likelihood that a child will have a specific genotype.

The information given indicates that yellow leaves (Y) have a dominant trait above red leaves (Y), that implies that if the alleles for yellow and red leaves are linked together as shown in Punnett square, this will conceal the manifestation of red leaves.

For red leaves, the genotype is yy, while the two potential genotypes for yellow leaves are YY and Yy. Parents have the genotypes Yy and Yy. When they are crossed, one of every four offspring that results will have red leaves.

Therefore, the correct option is D.

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Any material of small granulometry, or up to five millimeters in size, is called sand. From that measure they are called stone. Stones are the result of the breakdown of rocks, just like sand, and in the crushing process it forms crushed stone.

The formation of sand begins with the action of wind, rain, sun, tree roots and microorganisms that wear down the rocks present in various regions of the continent. Over the years, pieces of the stones break loose and, little by little, turn into small grains. This process is called erosion.

Sand is a detrital, mobile, permeable sedimentary rock that, according to the size of its grains, can be classified into coarse, medium and fine sand.

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Hypertensive heart disease is a long-term condition that develops over many years in people with hypertension.

When your high blood pressure (hypertension) is not controlled, it can lead to a variety of health issues, including heart failure and conduction arrhythmias. Hypertensive heart disease is caused by persistently high blood pressure (over 120/80 mmHg). Heart disease risk goes up as people get older and continue to have high blood pressure. People over the age of 65 are more likely to develop heart failure.

Your heart has to work harder to pump blood through your body when you have high blood pressure for an extended period of time.

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Answer:

smoking ,........

.........

The main difference between alcoholic fermentation and lactic acid fermentation is that of their end-products.

The primary distinction between lactic acid and alcoholic fermentation is that the latter results in the production of ethyl alcohol and carbon dioxide while the former yields lactic acid molecules from pyruvate.

Differences between the two processes include he following:

Similarities between the two processes include the following:

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The necessary condition is that the mineral must remain closed since its formation.

Radiometric dating, radioactive dating, or radioisotope dating is used to date rocks and carbon with trace radioactive impurities.

Heat, pressure, and temperature do not affect isotope decay. Radiometric dating is reliable. This method dates igneous and metamorphic rocks that sedimentary stratigraphic correlation cannot. 300 natural isotopes exist.

The parent's half-life must be known and long enough for it to be present in significant amounts at the time of measurement for accurate radiometric dating. Thus, mineral samples require these conditions for radiometric dating.

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Answer:

Gas laws, laws that relate the pressure, volume, and temperature of a gas. Boyle's law—named for Robert Boyle—states that, at constant temperature, the pressure P of a gas varies inversely with its volume V, or PV = k, where k is a constant.

Explanation:

Hope it helps u

FOLLOW Y ACCOUNT PLS PLS

The correct option (B)  Is directly related to the frequency of crossing-over.

The procedures used to establish the location of a gene and the distances between genes are referred to as gene mapping. Gene mapping may also describe the distances between various locations within a gene.

The purpose of all genome mapping is to place a set of molecular markers on the genome in their proper locations. Molecular markers exist in many different forms and sizes. Genes may be viewed as a type of genetic marker and mapped in the same way as any other marker when creating genome maps. Gene mapping aids in the creation of unique recombinants inside an organism in a variety of fields of study.

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Photosynthesizing algae produces most of the Earth’s oxygen.

By converting light energy to chemical energy through the process of photosynthesis, carbon dioxide and water are transformed into organic molecules.

Nearly all algae engage in the process, and in fact, much of what is currently known about photosynthesis was first uncovered through research on the green alga Chlorella.

The enzyme ribulose bisphosphate carboxylase binds carbon dioxide to ribulose bisphosphate, a 5-carbon sugar with two linked phosphate groups, during the dark processes.

Photosynthesizing algae produces most of the Earth’s oxygen.

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1. The non-living component of an ecosystem is the air.

Thus, the correct answer is D.

2. The factor of non-living component of an ecosystem is an abiotic factor.

In ecology, biotic аnd аbiotic fаctors mаke up аn ecosystem. Biotic fаctors аre the living pаrts of the ecosystem, such аs plаnts, аnimаls, аnd bаcteriа. Аbiotic fаctors аre the nonliving pаrts of the environment, such аs аir, minerаls, temperаture, аnd sunlight.

The non-living, physicаl feаtures of the environment аre cаlled аbiotic fаctors. The prefix а meаns “not.” The term аbiotic meаns “not living.” Аbiotic fаctors include аir, wаter, soil, sunlight, temperаture, аnd climаte. The аbiotic fаctors in аn environment often determine which kinds of orgаnisms cаn live there.

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Answer:

The skeletal system is your body's central framework. It consists of bones and connective tissue, including cartilage, tendons, and ligaments. It's also called the musculoskeletal system

Explanation:

MARK AS BRAINLIST!!

Answer: The skeletal system gives the body shape and form and helps to both protect and support the entire organism.

Bone, cartilage, tendons, joints, ligaments and other connective tissues compose the skeletal system.

The two main types of bone tissue are compact (hard and dense) and cancellous (spongy and flexible) tissue.

Explanation:

Yes, whales need oxygen to survive. Like us, whales are mammals that breathe air into their lungs. Because they lack gills, they can't breathe underwater like a fish can.

A blowhole, or nostril, on top of their heads, allows them to breathe. While swimming or resting beneath the water, this enables them to take deep breaths by only exposing the tops of their heads to the air. The strong muscles that surround the blowhole close it tightly after each breath to prevent water from entering the lungs of the whale or dolphin.

Dolphins only have one blowhole, whereas large whales, with the exception of the sperm whale, have two blowholes.

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Answer:

These impacts include compaction, loss of soil structure, nutrient degradation, and soil salinity. The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species.

Answer: B

Explanation:

When water freezes it expands.

Hope I helped!!!

Answer: Adhesion

Explanation:

Answer: For a snowstorm to occur, warm air must rise above cold air. The pressure must also be below atmospheric pressure

Explanation: For a snowstorm to occur, warm air must rise above cold air. The pressure must also be below atmospheric pressure

Answer: For a snowstorm to occur, warm air must rise above cold air. The pressure must also be below atmospheric pressure