Water Quality

Front

pollutants entering waterways from a general area, such as runoff from farmland or suburban communities

Back

Non-point Source Pollution

Front

How could pesticides get into lakes and streams? Options: too much could be used, it could be sprayed too close to a stream, rain could wash pesticides into a stream, all of the above

Back

all of the above

Front

pollution from a definable source

Back

Point Source Pollution

Front

If gasoline or oil or trash goes into a storm drain in the street, it goes directly...

Back

into the stream

Front

What is the term for the presence of abnormally high concentrations of harmful substances in the environment, often put there by people? Options: Pollution, Pollutant, Water Quality, Turbidity

Back

Pollution

Front

an area of land that is drained by a specified river or other body of water

Back

Watershed

Front

Where is most of the freshwater found on Earth? Options: lakes, glaciers, oceans, rivers

Back

glaciers

Front

Water that fills the cracks and spaces in underground soil and rock layers is called

Back

groundwater

Front

Which of the following is an effect of excess fertilizer washing into streams and lakes? Options: the pH is too low for plants and animals, cooler water holds more oxygen, increased sediment reduces oxygen, algae "blooms", leading to lower oxygen

Back

algae "blooms", leading to lower oxygen

Front

Which of the following is NOT a desired effect in streams? a pH of about neutral, low salinity, high temperature, low nitrates

Back

high temperature