Okay I have noooo clue...Hydroelectric power plants can generate huge amounts of electricity. Which of these statements best describes the impact of a hydroelectric power plant on the environment?
It pollutes the air.

It reduces the level of groundwater.

It causes floods in vast areas of land.

It contaminates surface water by dumping wastes.

Question

Okay I have noooo clue...Hydroelectric power plants can generate huge amounts of electricity. Which of these statements best describes the impact of a hydroelectric power plant on the environment? 
 It pollutes the air. 

 It reduces the level of groundwater. 

 It causes floods in vast areas of land. 

 It contaminates surface water by dumping wastes.

anonymous · Answer

Please help me, this wasn't in my notes and Ive been looking for the answer for a long time.

anonymous · Answer

for hydroelectric plants you need to build a hydroelectric dam in order to have enough water at disposal.