Across
- 3. bird which lays the largest egg
- 4. the worlds largest biome
- 6. destruction of forests
- 9. substance that makes plant green
- 11. mixture of decaying organic matter
- 13. resources that exists in fixed amount
Down
- 1. sweet liquid inside a flower
- 2. to use something again
- 5. largest plant family
- 7. most abundant element found in air
- 8. mixture of smoke and fog
- 10. the driest biome
- 12. rain caused by Air pollution