Answer:
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<span>Unlike plant cell animal cell contain
"Centrioles"
Hope this helps!
</span>
Answer:
When resources are limited
Explanation:
<span>B) He noticed four-fifths of the air had been used up. If by air this question is referring to oxygen, the fact that it has been used up means it has reacted, mean a substance has combusted.</span>
According to the evolution theory, the first insects appeared about 400 million years BC in the Devonian Period.
