Question

Dams are used to produce hydroelectric power. which of these best describes the impact of a dam on the environment?

a. it causes air pollution
b. it reduces the level of groundwater
c.it causes changes in the river ecosystem
d. it reduces the level of oxygen in river water

The answer I chose was B, but I want to check my work with you guys so I can make sure I have made the correct decision. Please help me ^^

Answer 1

@iambatman

can you please help me?

Answer 2

i can help but im not batman

Answer 3

i think your right :)

Answer 4

the answer is C

Answer 5

thank you ^^

Answer 6

sorry i gave u the wrong answer ;-;

Answer 7

@blackswordsmankirito why do you say it is c?