Answer:
A. Rocks along a fault break and move.
Explanation:
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Surface craters refers to a short-term environmental change would a very small asteroid or comet impact on Earth most likely cause.
The difference between a multicellular organism and a colonial organism is that colonial organism consists of individual one-celled organisms that can, if separated, survive on their own. On the other hand, cells from a multicellular life-form cannot live independently (they are all connected to function together).
Volvox is not considered multicellular because its cells are not aggregated into organized tissues and have no organ and organ systems.
Answer:
the answer is U shaped valley
