What is the relationship between groundwater and surface water?
surface water percolates through the soil to form groundwater
What is the purpose of adding chlorine to water during the water treatment process?
to kill bacteria that have accumulated, as well as prevent future bacterial growth
How is fresh water used in industry?
in manufacturing processes, to generate power, and in the disposal of water products
Many areas of the world without adequate fresh water have become habitable because
water management projects have diverted water to the area
What is one way a person could conserve water
use a low-flow shower head and take short showers
What represents a nonpoint-source pollution
runoff from agricultural feedlots
Parasitic worms would be classified as which type of water pollutant
pathogen
Polluted groundwater is difficult to clean because
-groundwater is deep in the ground and dispersed through large areas of rock
-pollutants cling to the materials that make up the aquifer and contaminate the clean water
-the recycling process of groundwater can take hundreds or thousands of years
Most of the pollutants in the ocean come from
activities on land
The largest watershed in the U.S. is the
Mississippi River
When neighborhood residents noticed a large number of dead fish in a local creek, they traced the problem to a nearby gas station. It turned out that a tank of gasoline had developed a leak. This is an example of
point-source pollution