What other advantages than the provision of power can a hydroelectricity power scheme have

How can animism be described? a. the belief that one should be mummified after death b. the belief that all natural things are spiritual c. the belief that there is more than one supreme being d. the belief that there is no afterlife

How does rain water cause erosion and deposition? a. when acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves.b. when a river overflows it moves downhill resulting in the formation of caves.c. when it rains, water flows into rivers and streams and moves back to land, resulting in the formation of caves.d. when water empties into lakes, sediment is deposited, resulting in formation of caves.

In a cold pack which type of reaction draws heat from the surroundings