To check on how many nutrients were in the water, we measured

To check on the clarity (clearness) of the water, we measured

Sidewalks, roads, and building roofs are examples of

Which one of these is NOT one of the major watersheds in Virginia.

Which of these words means "an animal that does not have a backbone"?

Animals that usually die if there is a small amount of pollution in a stream are called

Which major watershed is Culpepper in?

Which city or (cities) is in the Chesapeake Bay watershed?

Which city or (cities) is in the Mississippi River watershed?

A scientist could tell that too much animal waste (poop) is getting into a stream by testing for this.

Which kind of pollution is the biggest danger to the Chesapeake Bay?

___1. The process of soil and rock being worn away and carried downhill or downstream is called: ___.

Wetlands help the environment in a lot of ways. Which of these is NOT a way that wetlands are helpful?