| A | B |
|---|
| submersible | capable of being underwater |
| pinnacle | the highest point |
| jargon | special language that belongs exclusively to a group |
| photographs | images recorded by a camera |
| captions | a title or short description of a photograph |
| cramped | shut into a small space |
| debris | scattered fragments |
| interior | inner surface or part |
| ooze | a soft mud or slime, especially at the bottom of a pond, river, or ocean |
| robotic | ofor for a machine with moving parts and sensing devices controlled by a computer |
| sediment | material that settles to the bottom of a liquid |
| sonar | device for finding the depth of water or for detecting and locating underwater objects |
