Which of the following statements best describes what life was like in the mesolithic era?
a.

men gathered fruit and nuts and stayed in one region for long periods.
b.

men and women hunted alone and stayed in one region for long periods.
c.

when food and water were hard to find, people planted crops.
d.

people made advances that allowed them to adapt to new environments.

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.