| A | B |
|---|
| Salinity | a measure of the amount of dissolved salts in a given amount of liquid |
| Water Cycle | The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and percipitation |
| Continental Shelf | The gently sloping section of the continental margin located between the shoreline and the continental slope |
| Continental Slope | the steeply inclined sectionof the continental margin located between the continental shelf and rise |
| Continental Rise | The gently sloping part of the continental margin located between the continental slope and abyssal plain |
| Abyssal Plain | a large, flat, almost level area of the deep ocean basin |
| Mid-Ocean Ridge | a long, undersea mountain chain that forms along the floor of the major oceans |
| Rift Valley | a long, narrow valley that forms as tectonic plates separate |
| Seamount | a submerged mountain on the ocean floor with a volcanic origin |
| Ocean Trench | A steep, long depression in the deep sea floor |
| Plankton | microscopic organisms that float or drift freely in freshwater and marine environments |
| Nekton | All organisms that swim actively in open water |
| Bentos | organisms that live at the bottom of the ocean |
| Benthic Environment | the region near the bottom of a pond, lake, or ocean |
| Pelagic Enviroment | In the ocean, the region near the surface and middle depths |
| Desalination | a process of removing salt from ocean water |
| Non-point coure pollution | pollution from many sources |
| Point source pollution | pollution that comes from a specific site |
