When you are looking at this you can see that there are tiny rocks. The tiny rocks are the ones that are light brown and dark brown. But what are the black things floating around the river?

could be polution/trash

Explanation:

there's no big difference.

explanation:

the only little different between a rabbit and bunny is just that bunnies are much smaller than rabbits. bunnies are basically baby rabbits.

your answer is going to be physical weathering