Question

PLEASE HELP ( ill give you a cookie :3 )

What is the primary negative effect of dam-building.
A. Dams prevent flooding of only small areas.
B. Dams disrupt the delicate ecology of an area.
C. Dams remove sediment from river beds.
D. Dams prevent certain fish from breeding due to lack of proper fish ladders.

Answer 1

b

Answer 2

B is the answer. C is correct as well but it depends on what your teacher has taught you.

Answer 3

Thank you :) @~SierraBozarth~