D. The spread of disease. It’s kinda obvious because Ganges has the root word gang in it so yeah. Anyways I hope this helps! Please mark me brainlest!
Answer:
the hanging wall drops down
Mass movement<span> is the </span>movement<span> of surface material, such as soil, rocks and debris, caused by gravity and other underlying conditions, such as water, wind, ice and human activity.</span>
<span>a)most Canadians are former U.S. citizens</span>