Answer:
Chloroplast.
Explanation:
This is what I believe it is since we're obviously talking about an animal cell and NOT a plant cell like it says. Animal cells do not contain chloroplast.
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the answer is... hydrocarbons
The cyanobacteria changed the composition of the earth’s atmosphere by evolving oxygen in what is referred to as the Great Oxygenation Event. This also allowed the ozone to be formed and block off most of the UV rays that are destructive to genetic material. Life was, therefore, also able to exist on land other than in water.
Answer:a compound present in the body as a neurotransmitter and a precursor of other substances including epinephrine
Explanation:
