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?

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )

The higher you go up the less oxygen there is