Across
- 3. chemical compounds useful in killing pests
- 8. the removal of a forest
- 9. water frozen into a solid state
- 10. place where trees grow
- 11. unwanted or unusable materials
- 12. harmful materials damage the environment
Down
- 1. a violent wind that has a circular movement
- 2. people have the power to rule in a territory
- 4. also known as a tip, dump, rubbish dump
- 5. process of converting waste into materials
- 6. natural environment where an animal lives
- 7. natural flowing watercourse