Across
- 6. glass tank for sealife.
- 8. a channel for moving water.
- 9. being introduced to something.
- 10. an inconvenient obstacle.
Down
- 1. someone walking on foot.
- 2. how efficiently something is done.
- 3. living or found underwater.
- 4. using logical reasoning.
- 5. the act of making something smaller.
- 7. farming of underwater plants/animals.