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.
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.