Which of these is a disadvantage of hydroelectric energy ? a. is expensive to build or maintain b. has high power plant efficiency c. has a long power plant life span d. reduces greenhouse gas emissions

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Pls in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Which measure of an earthquake depends on how close you are to the focus?