Across
- 3. can be replaced
- 5. remains from the past
- 8. how old fossil fuels are
- 9. can create diamonds under extreme pressure
- 10. gas, oil, and coal formed millions of years ago
- 12. an example of a nonrenewable resource
Down
- 1. rock created by adding pressure to dirt
- 2. an example of a renewable resource
- 4. cant be replaced once gone
- 6. where do you find fossil fuels
- 7. can create plastic and rubber products
- 9. the outermost layer of earth
- 11. small rocks and soil