Across
- 3. It is used more often the wood.
- 5. A wall to carry a lot of water.
- 8. It can be a wind turbine.
- 9. Its has a cycle of a _____ cycle.
Down
- 1. Anther word for oil.
- 2. Energy from the sun.
- 4. When came out of the ground, its called Crude ___.
- 6. Used to help your car running.
- 7. Found from plant remains underground.
- 10. Coal is a form of ______.