Across
- 6. Harmful gases like CO₂ that trap heat (2 words)
- 8. A natural process that circulates water through the environment (2 words)
- 10. Breaking down waste using microorganisms
Down
- 1. Gas released by decaying organic waste
- 2. One of the three R’s that means using items again
- 3. Process of water vapor cooling into droplets
- 4. Common agricultural pollutant (used to kill pests)
- 5. Type of pollution caused by harmful gases in the air
- 7. Solid waste from homes like paper and food scraps
- 9. A waste disposal method involving burying waste in the ground