Across
- 1. Air pollution can cause lung _
- 6. Place where garbage is dumped
- 7. Around 1% of the Earth's water is _
- 8. Burning_ fuel is a major source of air pollution
- 11. The ozone layer protects us from _
- 12. The surroundings in which we live
Down
- 2. Turning trash into new products
- 3. Plants produce this gas as part of the cycle
- 4. The solid crust of the earth is known as
- 5. _____ warming
- 9. Methane gas and CFCs can destroy the ____ layer
- 10. These can die from too much water pollution
