Vocabulary
Pollution that comes from many sources rather than a single specific site.
Nonpoint-Source Pollution
How much of Earth's water is fresh water?
3%
Name a way humans can affect the flow of fresh water
Pollution from trash
Chemical pollution in water supplies is most often caused by
Industrial waste
A temperature increase in a body of water that is caused by human activity and that has a harmful effect on water quality and on the ability of that body of water to support life.
Thermal Pollution
How much of Earth's water is snow and ice?
2/3
How is point source pollution different from nonpoint source pollution?
Point source pollution comes from one site, Nonpoint source comes from several sites.
What is a resrivior?
A storage area for water
An increase in the amount of nutrients, such as nitrates, in a marine or aquatic ecosystem.
Eutrophication
Where do we get freshwater? (Must list all 5 for points)
Aquifers, Groundwater, Rivers, Streams, Lakes
Chemical pollution is caused by what?
Industrial waste
Is the process by which water bodies become enriched with minerals and nutrients, leading to excessive plant growth.
Eutrophication
Water suitable for drinking
Potable
Any water above the ground?
Surface water
What is a common affect of thermal pollution on aquatic enviornments?
Harm to aquatic animals
What is the primary source of groundwater?
Aquifers
occurs when harmful chemicals are added to water supplies.
Chemical Pollution
Surface water includes what? (Must have all 3)
Liquid salt, solid water, fresh water
A factory releases warm water into a local river.(chemical, thermal, or biological)
Thermal
How is water quality typically measured?
By testing for pollutants