Across
- 3. Gas a gas that is natural
- 4. a fuel used for heating up homes
- 6. to remove
- 7. a place where people mine
- 8. to dig
- 9. little gems like diamonds
Down
- 1. a dangerous resource if mishandled
- 2. things operated not by a human
- 5. working without direct control
- 9. a liquid used for cars