Study Guide 9

8. an increase in the proportion of a population living in urban areas rather than in rural areas.
9. pollution, pollution that comes from a specific site.
12. pollution, pollution that comes form many sources rather than from a single specific site; an example is pollution that reaches a body of water form streets and storm sewers.
15. pollution, a temperatures 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 water to support life.
16. and indversity, The (2) major sources of chemical pollution.
18. on a hill the most potential energy from a rollercoaster can be found at the.

1. an increase in the amount of nutrients such as nitrates in a marine or aquatic ecosystem.
2. an artifical body of water that usually forms behind a dam.
3. water, Earth freshwater liquid is found.
4. quality, dissolved solids ph temp and oxygen.
5. Protection Agency, EPA stand for.
6. body of rock sediment that allows water to flow easily through it.
7. Pollution, waste matter or other material that is introduced into water and that is harmful to organisms that live in,drink, or are exposed to the water.
10. is never created or destroyed.
11. suitable for drinking.
13. sources pollution run-off from farmland into a river.
14. eutrophication, when human activity increases nutrient levels in water.
17. transformation, is the process of changing from one form to another.