they are prokaryotic and they are tolerant to extreme environments.
C. must be controlled to coordinate with the cell cycle
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C.<span>They lack true roots and can’t absorb enough minerals to grow any taller.</span>
Answer:
Obsidian is an igneous rock that forms when molten rock material cools so rapidly that atoms are unable to arrange themselves into a crystalline structure. It is an amorphous material known as a "mineraloid." The result is a volcanic glass with a smooth uniform texture that breaks with a conchoidal fracture (see photo).
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