Question

Which of these is an environmental effect of building dams?

A. Increased water temperature upstream

B. Increased fertility downstream

C. Weed growth upstream

D. Sediment builds up downstream

Answer 1

Your answer would be B Increased fertility downstream

Step-by-step explanation:

Because if we didn't have dams the world would be flooded with water and and animals would uncontrolled acidprilconstillance.

Answer 2

it's d. Sediment builds up downstream