Across
- 3. in this part of India it has several wind farms
- 7. what is coal and petroleum
- 9. black mineral found below the surface of the earth
- 10. energy from the heat of earth
Down
- 1. windmills have been used in Europe particularly in this country for many centuries
- 2. energy obtained from waves
- 4. energy obtained from water
- 5. it comes when petroleum is refined
- 6. largest dam in India
- 8. also known as crude oil