The Canby’s dropwort grows in wetlands in Georgia. It is an endangered plant because wetlands have been cleared for agriculture and construction. The larvae of the black swallowtail butterfly eat this plant.

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

Because people are wasting it