A town is near a river that sometimes floods. The town leaders are thinking about building a dam to help prevent floods. They want to find out how to protect the environment from harm that a dam might cause.
Which two questions should they ask to best help them protect the environment?
O A How do people use dams to get electricity?
B. How often do rainstorms happen after building a dam?
C. How do people think building a dam might affect them?
D. How do Increases in sediment above a dam affect animals?
E How does changing the amount of water below a dam change ecosystems?