Across
- 3. plant based energy that can be processed into fuel quickly
- 6. clean energy for the environment
- 7. energy generated by the sun
- 8. energy that can be replaced and is better for the environment
- 9. something that costs too much money
- 10. energy generated by wind
Down
- 1. energy generated by moving water
- 2. energy generated by underground heat
- 4. can injure animals, takes up land and can be expensive
- 5. once living
