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torisob [31]
3 years ago
8

What is the main function of the Respiratory System?

Biology
2 answers:
Sphinxa [80]3 years ago
7 0
The answer does the question is : C
nekit [7.7K]3 years ago
7 0

Answer:

C

Explanation:

The respiratory system needs to take in oxygen to create energy.

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If the government wants to reduce the burning of fossil fuels, it should impose a tax on a. sellers of gasoline. b. either buyer
Kitty [74]

The correct answer is "either buyers or sellers of gasoline"

Explanation:

The best way to significatively reduce the use of fossil fuels is to tax on both sellers and consumers. Moreover, it also becomes necessary to promote policies associated with the use of alternative energy sources and to subsidize its use

5 0
3 years ago
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4.
laila [671]
Question for number 4 is C
8 0
3 years ago
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Which descriptions of evolution are accurate? Check all that apply. It occurs within an individual’s lifetime. It occurs over ma
erik [133]
<h3><u>Answer;</u></h3>

It occurs over many generations.

It happens at the genetic level.

<h3><u>Explanation</u>;</h3>
  • <em><u>Evolution is the process that involves change in the inherited traits of a population over generations. </u></em>
  • <em><u>The traits involved are the expressions of genes that are copied and passed from the parents to the offspring during reproduction process. Mutations in these genes results to new traits and thus heritable differences among organisms.</u></em>
  • <em><u>Therefore, evolution will only occur when there is change in gene frequency within a population over a given period of time. Genetic differences that are heritable are passed to the next generation.</u></em>

8 0
3 years ago
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The liver develops: as a ventral outgrowth of the embryonic foregut. incorporates both endodermal and mesodermal components. dev
Umnica [9.8K]

Answer: All of the above.

Explanation:

The liver is simply the largest solid organ in the body and it can be found below the rib cage in the upper abdomen by the right. It's function is to maintain the blood sugar, regulate blood clotting and remove toxins from the blood.

It should be noted that the liver develops as a ventral outgrowth of the embryonic foregut. It also helps in the incorporation of both the endodermal and the mesodermal components. Furthermore, it's developed in the ventral mesentery and is connected to the stomach by the lesser omentum.

Therefore, all of the above options are correct.

3 0
3 years ago
The greatest concentration of CO2 in an adult is found in the:
deff fn [24]

Answer:

A

Explanation:

The pulmonary artery carries de-oxygenated blood from the right ventricle of the heart to the lungs. It is the only artery that carries de-oxygenated blood. This blood is usually from the tissues and has a lot of carbon dioxide from the cellular respiration of cells around the body. The blood is pumped to the lungs to be oxygenated and the carbon dioxide expelled.

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3 years ago
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