Across
- 3. non-renewable resource
- 8. turning used items into new items
- 10. resources that come from the Earth
- 11. anything that dirties the earth
Down
- 1. energy produced from Earth's heat
- 2. resources that can be regenerated
- 4. energy from the sun
- 5. human manipulation
- 6. resources that are limited
- 7. most essential resource on Earth
- 9. energy from water