What do you think about genetics?

Why would the composition of a meteorite resemble the earth's interior?

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?

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.