| A | B |
|---|
| saliniy | amount of salt in ocean water |
| plankton | live near ocean surface |
| bends | caused when a diver rises too quickly to the surface of the ocean |
| contract | cold, dense water does this |
| oxygen | there is more of this near the surface of the ocean |
| sediment | bits of shells, sand, and decaying organisms |
| dense | water high is salinity is more |
| benthos | seaweed is an example of a |
| nikton | live at any depth in the ocean |
| photosynthesis | oxygen can be produced by a process |
