Across
- 3. Natural, without chemicals
- 5. found in pesticides and fertilizers
- 6. Things we throw away
- 8. Can leak pollution into the ground
- 9. Helps plants grow
Down
- 1. Destroys natural habitats
- 2. Not clean
- 4. Reuse materials
- 7. Caused by wind or water
- 10. Poisonous substances
