Across
- 2. long walkway built above the ocean like a bridge
- 4. a small pool of seawater that is on the land
- 6. something that is in the environment that is harmful
- 8. star shaped animal that lives in the ocean
- 9. big body of water
Down
- 1. a boat used for fishing
- 3. they have an impact on the ocean
- 5. a large structure that pulls oil from underground
- 7. land by ocean that has sand, stones or pebbles