Respuesta :

Answer:

A, A

Explanation:

Rivers pick up and move sediment downstream creating landforms.

I believe it is A, not 100% sure. However. heavy rain creates runoff that would push pollution into the rivers and ponds.

Answer:

Question 1.  (a)

Question 2. (a) (But I'm not sure about it, I think it can also be D)

Explanation: