Across
- 3. breaking down used plastics and other materials for reuse
- 4. number of organisms
- 5. living
- 8. pit dug for resources
- 10. related to the ocean
Down
- 1. organisms that live underwater, and has been related to illness
- 2. where organisms live
- 6. it's in the ocean
- 7. farming
- 9. created by all animals