Across
- 6. A dangerous gas that is released during the burning of fossil fuels.
- 7. It is a cheap fuel that people use everyday that is extracted from the ground like coal, gas, and oil.
- 10. A large area where people dump their garbage and trash.
- 11. The energy that is produced from using the wind.
- 12. The most important fossil fuel found in the Middle East.
- 14. Using old materials like glass, plastic, and metal again.
- 15. It is the main contributor to air pollution in China.
Down
- 1. When harmful chemicals and substances are released into oceans, lakes, and rivers.
- 2. When harmful chemicals and substances are released into the air and atmosphere.
- 3. When harmful chemicals and materials are released into the ground and the soil.
- 4. The energy that is produced from flowing rivers.
- 5. The energy that is produced from using the sun.
- 8. When air pollution mixes with water in the air and atmosphere.
- 9. A kind of fossil fuel.
- 13. It takes a long time to break down and deteriorate and kills marine animals.
