They found fossils of algae, snails, and clams in layer D. Given that information, where do you think they found fossil evidence of simple land plants and amphibians? A) A. B) E. C) F. D) G.

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Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.

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Humans can affect weathering and erosion in several ways.  humans cause  increases in acid rain and pollution, which increase the amount of  weathering  agents in the air and water, and then on land.for an easy answer: 1) acid rain2) pollution