Answer:
The answer is autotrophs
Explanation:
During the early days of the Earths life there was no oxygen but there was plenty of CO2 which the autotrophs took and used as food while discarding the excess which was the oxygen.
Answer:
The answer is D. One year
Answer:
<h2>The correct option is A) Organic molecules are common in food, and inorganic molecules are used in electronics. Explanation: Organic compounds can be described as compounds which are made up of carbon</h2>
Explanation:
<h2>
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Euglena move by a flagellum<span>, which is a long whip-like structure that acts like a little motor. The </span>flagellum<span> is located on the anterior (front) end, and twirls in such a way as to pull the cell through the water. It is attached at an inward pocket called the reservoir</span>