Unit 2: Water

4. The movement of deep, cold, nutrient-rich water to the surface.
5. Water that is suitable to drink.
7. A horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean's surface.
11. Any movement of matter that results from differences in density.
12. pollution that comes from many sources rather than a single specific site.
13. A movement of ocean water that follows a regular pattern.

1. Pollution that comes from a specific site.
2. The curving of the path of a moving object from an otherwise straight path due to Earth's rotation.
3. 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.
6. 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.
8. An increase in the amount of nutrients, such as nitrates, in a marine or aquatic ecosystem.
9. A streamlike movement of ocean water far below the surface.
10. a body of water that usually forms behind a dam.