Across
- 5. air pollution from cars
- 6. mining on the ocean floor
- 8. renewable energy from the sun
- 9. crushed ore that is melted to separate impurities from molten metal
- 11. splitting of two atoms
- 13. when water vapor goes into the atmosphere
- 14. liquid that passes through waste in a landfill
Down
- 1. energy used from the movement of water
- 2. permanent waste disposal facility
- 3. if it can be broken down by biological processes
- 4. minerals with no commercial value
- 7. unwanted noise
- 8. 97% of Earth's water
- 10. 3% of Earth's water
- 12. energy used from harnessing the wind