Across
- 4. what do humans need to breathe
- 6. alternative to plastic bag
- 7. the term for the harmfull substances that contaminate water bodies
- 10. turning waste into new product to use again
- 11. the layer of gases protecting earth from UV rays
- 13. the term for materials that are discarded and no longar usefull
- 15. the natural surroundings in which all living things exist
- 19. a common source of marine litter
- 20. the term for harmfull chemicals used in farming
Down
- 1. proces of breaking down organic matter
- 2. type of energy is generated from organic waste
- 3. the term for a subtance or material that can be recycled and reused
- 5. minimazing waste by using fewer products or materials
- 8. renewable energy source
- 9. gas is released from landfills
- 12. what do tree produce
- 14. the area where waste is disposed of and managed
- 16. using items again instead or throwing them again
- 17. what do we plant to save the environment
- 18. what do plants need to grow