Which statement about hydropower is correct?
A)Hydropower is a renewable resource that has no impact on local ecosystems
B)Hydropower is a non-renewable resource that has no impact on local ecosystems
C)Hydropower is a renewable resource that can be harmful to local ecosystems
D) Hydropower is a non-rewenable resource that can be harmful to local ecosystems

What percentage of light hits earth's surface directly?

What type of graph presents information about how often certain or traits occur?

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases