An earthquake with a Ritchie scale magnitude of 8 creates vibrations that are times greater than those of a magnitude 6 earthquake.

A.) 2
B.) 20
C.) 50
D.) 100

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