Question

What happens to rainwater once it falls on the earth ?

Answer 1

Once on the land, rainfall either seeps into the ground or becomes runoff, which flows into rivers and lakes. What happens to the rain after it fallsdepends on many factors such as: ... Land with plant cover slows the speed of the water flowing on it and thus helps to keep soil from eroding.

Answer 2

when rain comes down in the from of drop it mix with some pollutants and react with various gases present in it like carbommonooxide and becomes acid rain when it flow through rivers the small aquatic organism with die with this acid rain when they come in contact
there are many other reason
hopes help u