The correct answer is C. Oxygen
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It creates cells that are copies
<span>The correct answer is Eukaryotic cell. The name itself shows that because prokaryotic means before the nucleus while eukaryotic means having a nucleus. Karyo is here from greek and means nut or kernel and pro means before, so those are cells before the creation of the nucleus. They are mostly bacteria but there are other types of beings too.</span>
Answer:
Sedimentary rocks were used to construct the time scale.
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A) red blood cells that is the answer