Across
- 3. Derived from biological material fossilized millions of years ago.
- 8. They are ______ in supply.
- 9. Coal containing highest amount of sulfur.
- 10. Air pollution can cause ____ rain.
- 13. Mixture of hydrocarbons and water and sulfur that are a liquid underground.
- 15. Soil erosion from industrial activities can lead to land...
- 18. Solid fuel that is the highest CO2 emitter.
- 20. Mining for coal can destroy natural _________.
- 22. Can contaminate _____ sources, affecting bodies of water.
- 23. Energy source that emits no CO2 once plant is operational.
- 25. Can disrupt ecosystems and cause destructions to ________.
- 26. Natural gas is often transported through these.
Down
- 1. A step in the carbon cycle.
- 2. Contributes to this global problem.
- 4. A large amount of this can be made in coal mining and selling of oil.
- 5. The type of fuel wood and charcoal are.
- 6. Releases carbon dioxide and methane into the...
- 7. Contains fewer impurities than coal or oil.
- 11. Extracting oil through this process can cause earthquakes.
- 12. Increase type of health risks with asthma and lung cancer.
- 14. Responsible for a lot of...
- 16. This tends to increase, impacting consumers and businesses.
- 17. Also known as oil sands.
- 19. Causes resource _________.
- 21. High _____ density/output.
- 24. A byproduct of nuclear reactors.