Across
- 3. reclaiming a forest
- 4. smog when sunlight and nitrogen combines
- 6. energy from the sun
- 9. process where land is recovered
- 11. destruction of forests
- 12. not able to be restored
- 13. wind turbines that make electricity
- 15. precipitation precipitation with a pH less than 5.6
Down
- 1. energy energy carried by electromag. wave
- 2. electricity the water movement
- 5. energy released from atomic reactions
- 7. thermal energy from the earth
- 8. deposits of minerals
- 10. able to be restored
- 14. energy made by burning organic matter