Water Quality & Human Impact

Front

An example of a non-point solution is  waste water from leaking pipe, fertilizer runoff from lawns

Back

fertilizer runoff from lawns

Front

An example of point source pollution is: trash floating in the ocean, oil spilling from a supertanker

Back

oil spilling from a supertanker

Front

For what types of water does the Clean Water Act relate to? (Options: surface waters, ocean waters)

Back

surface waters

Front

A body of water that has high turbidity is ...

Back

cloudy

Front

Which of the following are indicators of healthy water systems? Options: high nitrates, high pH, and low temperatures, low temperatures, high dissolved oxygen, and neutral pH

Back

low temperatures, high dissolved oxygen, and neutral pH

Front

What is the possible effect of high nitrate level in water systems?

Back

algal bloom

Front

Which best determines the health of a lake used as a source of freshwater? Options: its temperature and pH, its location and depth

Back

its temperature and pH

Front

If a body of water has high turbidity levels, what can most likely be concluded?

Back

It is unsafe to drink.

Front

Which describes a nonpoint source of pollution? Options: runoff from a road into a nearby stream, liquid fertilizer flowing

Back

runoff from a road into a nearby stream

Front

Which is most likely indicated by a sudden increase in turbidity in water?

Back

rapid increase in the amount of algae