Environmental science
Across
- 1. process of gathering natural gases and oil beneath rock
- 3. natural occurring materials in minerals
- 6. a machine that channels wind into energy
- 7. a common gas used as fuel to create heat
- 9. another word for tunnels
- 10. what releases from fossil fuels when burned
Down
- 2. another name for bumping into something
- 4. Working without controlling
- 5. often called this for gathering coal
- 8. process of digging or removing something