Blood flowing through the human circulatory system moves nutrients and oxygen to cells and carries waste and carbon dioxide away from cells how are the circulatory system and the respiratory system related in humans
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Answer:

decomposers

Explanation:

Answer:

decomposer

Explanation:

Fungi and bacteria are the most common decomposers.

Answer: B. Does this medicine reduce fevers?

Explanation: This is because you can run experiments and use the scientific method to answer your question.

Answer:

B

Explanation:

I think A, B and D can be answered in terms of science but I would say B is the answer because B only can be answered in terms of science. You can't give another answer for it like A and D

Answer:

no, of course not

Explanation:

Would you use drugs to gain a competitive advantage in sports? No, its against the rules and also unethical. It's not healthy. You've seen Jurassic Park right? It would lead to ruin.

Answer: Importance of replication in experiments

Explanation: Getting the same result when an experiment is repeated is called replication. ... Replication is important in science so scientists can “check their work.” The result of an investigation is not likely to be well accepted unless the investigation is repeated many times and the same result is always obtained.

Answer:

A saturated fatty acid is a basic unit of lipid that consists of only single carbon to carbon bonds. ... Saturated fatty acids are solid in room temperature(animal fats) and unsaturated fatty acids are liquid in room temperature(oils/plant fats)

Explanation:

Have a nice day :)

Answer:

True

Explanation:

The process of photosynthesis converts light energy to stored chemical energy by converting carbon dioxide plus water into sugars plus released oxygen.

Answer:

b

Explanation:

Answer:

A. The energy flows from the ant to the antlion

Explanation:

Secondary Consumer

The option that describe the flow of energy between the ant and antlion is A which is that the energy flows from the ant to the antlion.

The food chain shows the transfer (flow) of energy and nutrients from organisms to organisms in a feeding pathway.

The flow of energy in a food chain of an ecosystem occurs in the following direction:

Primary producers are the green plants which obtains energy through the food they produced during the process of photosynthesis.

The primary consumers, for example the ants, feed on the plant saps thereby obtaning energy from it.

The secondary consumer, for example the antlion, feeds on the primary consumers (the ants) and energy flows from the ant to the antlion.

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Answer:

In Austrailia there is the highest rate of skin cancer because there is so much sunlight and most austalians have the wrong skin type for thier environment meaning people with pale skin get burnt more easily

Explanation:

Australia has a high rate of skin cancer because there's something different about the sunlight in Australia, and most people in Australia have skin that is easily damaged by light from the sun. Light carries energy that can make materials change. Therefore, Australia has a high rate of skin cancer because the ozone layer is damaged by the energy carried from the UV Light, being absorbed by the ozone and damaging allowing that light to transmit through and damage the genetic material of those individuals with lower levels of melanin.

Answer:

d

Explanation:

Because you need the cell to become tissue then the tissue Becomes organs then a bunch of organs become a organ system

The frequency graph represents selection that may lead to reduced variation in a population.

Answer:

The correct answer is - 1. a metal hammer

4. the metal frame of your chair

6. the screws and nails that hold your desk together.

Explanation:

Bar magnets are rectangular objects made up of ferromagnetic objects or substances and must carry the north and south pole ends. These objects show ferromagnetism and attract any ferromagnetic metal such as iron, steel  or ferromagnetic composite.

In the case of the same ends, for instance, the north-north pole of two magnets repulse and opposite attract to one another. From the given options the correct answer is a metal hammer, the metal frame of chair and screws and nails that hold the desk.

Answer:

A.)

D.)

F.)

Explanation:

The person above me is correct, please say thanks to them

Answer:

The correct option that, if true, provides the most support for the manufacturers’ claim is (D) Consumers typically add to their coffee substantially smaller quantities of coconut oil-based lighteners than of whole milk.

Explanation:

This can be explained by analysisng each of the options as follows:

(A) Consumers of lighteners made with coconut oil who avoid other high-cholesterol foods and exercise more than average tend to have lower-than-average blood cholesterol levels.

We're looking for something that backs up the manufacturer's assertion. This option refers to a subset of people who share particular features that make them healthier than the general public. Therefore, this option is not relevant.

(B) Coffee is frequently consumed with pastries and other rich desserts that themselves result in high blood cholesterol levels.

What we are doing is a comparison of Coffee Lighteners to Whole Milk, and we're seeking for proof that the Coffee Lightener is better for cholesterol. Therefore, this option is not relevant.

C) One popular nondairy coffee lightener that is not based on coconut oil has reduced its fat content by 20 percent while keeping its cholesterol content at zero.

Other products are not important to us outside the one we are discussing. Therefore, this option is not relevant.

(D) Consumers typically add to their coffee substantially smaller quantities of coconut oil-based lighteners than of whole milk.

The impact of the cholesterol can be overlooked (important word here is “substantially”) if consumers use significantly less coffee lightener, which cannot be true for whole milk. If this is the case, the manufacturer's claim should be taken seriously and we should believe it. This is therefore the correct option.

(E) Most consumers are convinced that whole dairy products increase blood cholesterol and that nondairy coffee lighteners do not.

It does not make any difference whether consumers are convicted or not. What we are seeking for is actual evidence to back up our claims. Therefore, this option is not relevant.

the answer is D !!!!!!!

Answer:

maco shark

Explanation:

It is a fast speed-swimming shark that has been called “the peregrine falcon of the sharks” in allusion to the fastest bird in the world. It is considered an animal dangerous to humans because of the speed which can attack and its ability to jump into the fishing boats.

Answer:

Science refers to the process of exploring new knowledge methodically through observation and experiments. Technology refers to the process of applying scientific knowledge in practical applications for various purposes.

Explanation:

Hope this helps

Answer:

Anaphase.

Explanation:

You can see the separation happening. This is anaphase.

Hope this is correct, good luck on your studies.

Answer:

Variability was seen as imperfection, so natural selection could only eliminate the inferior and imperfect, not giving rise to new things, new species.

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Answer:

Presence of thorn stems, invasive nature and strong scent of of multi rose plant.

Explanation:

The presence of thorn stems, invasive nature and strong scent of of multi rose plant are the specialized structures found in multiflora rose support its reproduction and spreading and dispersal throughout ecosystems in the United States. The presence of thorn stems prevent animals to feed on the multi rose plant while on the other hand, strong scent of of multi rose flower attract pollinators that increase its pollination and increase occur in its population.

Answer: The enzymes are important to the digestive system because they help in BREAKING DOWN of food substances that contains fat, carbohydrates and proteins.

Explanation:

In the process of digestion, several substances are secreted into the duodenum which is the first part of the small intestine. The pancreas, through the pancreatic duct, secretes pancreatic juice. This juice contains several digestive enzymes which include:

--> Amylopsin- This helps in the breaking down of starch( CARBOHYDRATES) to maltose.

--> trypsin: this is a protease that helps in the breaking down of PROTEIN into polypeptide.

--> Lipase: This helps in the breaking down of FAT to carboxylic acids and glycerol.

All the above enzymes of the pancreatic juice require an alkaline medium to work in. This is provided by the bile which is secreted in the fall bladder.

Answer:

Stage 2 hypertension

Explanation:

Hypertension is a body circulatory system condition whereby the pressure of the blood vessels are raised persistently. The heart pumps blood to the different organs of the body through the blood vessels, each time it beats

The normal blood pressure in the vessel = 90/60 mmHg to 120/80 mmHg

The blood pressure of a prehypertension person or person at risk of having hypertension = 120-139/80-89 mmHg

The blood pressure at Stage 1 hypertension = 140/90-99 mmHg

The blood pressure at Stage 2 hypertension = 160/100 mmHg.

Answer:

C. carbon dioxide and water

Explanation:

The raw materials that are needed for photosynthesis are carbon dioxide and water. So, option (C) is correct answer.

Answer:

C. The green allele is recessive to the yellow allele

Explanation:

Complete dominance occurs when one gene variant or allele referred to as the 'dominant allele' completely masks the expression of another allele referred to as the 'recessive allele' in heterozygous individuals, i.e., in individuals carrying one copy of the dominant allele and one copy of the recessive allele for a particular locus/gene (whereas homo-zygous individuals carry the same alleles for a given locus/gene). Mendel crossed pure lines of pea plants, i.e., homo-zygous lines for different traits such as seed color (yellow and green) and seed shape (round and wrinkled). In this case, the parental cross was YY x yy, where the 'Y' allele is dominant and encodes for yellow seed color, and the 'y' allele is recessive and encodes for green seed color. From this cross, Mendel obtained a hybrid F1 (i.e., all progeny was heterozygous with genotype Yy). An expected 3:1 ratio as observed in this case (6,022 yellow and 2,001 green seed >> 3:1 ratio) is characteristic of the progeny that results from mating between F1 heterozygous parents, where each parent has one dominant allele and one recessive allele, i.e., F1 parental cross: Yy x Yy >> F2: 1/4 YY (yellow color); 1/2 Yy (yellow color); 1/4 (green color) >> 3:1 ratio of yellow to green seeds.

Answer:

Each time lizards colonized an island, they evolved into many of the same forms. .Other lizards adapted to life among the thin branches lower down on the trees, evolving short legs that help them hug their narrow perches. Still other lizards adapted to living in grass and shrubs, evolving long tails and slender trunks.Lizards are low on the food chain. Providing protection from their natural predators ensures their continued existence. Plant bushy perennials, create a rock or brush pile or use man-made items like stacks of bricks or pipes.