An extended period when rainfall is well below average is known as

Following lenin’s death, who took control of the soviet union

Based on what you know about speed of light and sound, which come/comes first in a thunderstorm

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.