Across
- 4. the process of converting old materials into new materials
- 5. the distraction of a forest
- 6. fuels such as coal,gas and oil
- 7. type of energy generated by the sun
- 8. the natural home of an animal or plant
- 10. to use something again
- 12. everything that makes the earth dirty and unhealthy
- 13. unwanted things you throw away
Down
- 1. a situation in which something no longer exists
- 2. to make something smaller
- 3. energy that is also called the green energy
- 4. a forest in a tropical area that receives a lot of rain
- 9. the process of growing crops or raising animals
- 11. a hard, black substance that is dug from the earth in pieces