About 71% is covered with water
Answer:
Multicellular organisms depend on mitosis for growth and repair. When an animal, plant or other multicellular organism grows, it makes more cells through mitosis. Organisms can repair some of their tissues, using mitosis to regenerate new cells.
Explanation:
The answer is B (speed up chemical reactions).
Answer:
A nucleus is the membrane-bound organelle, and it has the chromosomes, and genes are made up from DNA.
Explanation:
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