Describe the effect of wind erosion on a desert ecosystem. Your answer should include ways the sur se of earth might change and how these changes would affect both plants and animals.

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

C) to ensure each new cell has an exact copy of the dna

Yes yes yes very good