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mojhsa [17]
2 years ago
6

The four most common chemical elements found in living matter are

Biology
1 answer:
Romashka [77]2 years ago
5 0

Explanation:

In all living system we can always find basic elements carbon, oxygen, nitrogen and hydrogen, carbon is the basic building unit contained in living matter. The percentage of carbon in the mass of living matter is 19.0% oxygen and hydrogen are present in almost all organic compound which creates living organisms.

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Why was Aristarchus’s model not accepted? Select two options.
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Aristarchus’s model not accepted because at that time it was believed that the earth was at the center of the universe.

<h3>What is Aristarchus’s model?</h3>

Aristarchus make a model by placing the place of the Sun in the middle of the solar system and placed the planets around the Sun.

So we can conclude that Aristarchus’s model not accepted because of the believed that the earth was at the center of the universe.

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