Across
- 4. - A community of living organisms and their environment.
- 5. - The natural environment where a plant or animal lives.
- 6. - The variety of plant and animal life in the world or a specific habitat.
- 7. - An element that forms the basis of fossil fuels and greenhouse gases.
- 8. - Contamination of air, water, or soil by harmful substances.
- 9. - The general weather conditions of a place over time.
- 12. - The process of turning waste materials into new products.
- 14. - A gas that protects Earth from harmful ultraviolet radiation.
- 16. - The gradual wearing away of soil by wind or water.
Down
- 1. - The cutting down of large areas of forests.
- 2. - Using resources in a way that they last for future generations.
- 3. fuels - Non-renewable energy sources like coal, oil, and natural gas.
- 10. - Gases and particles released into the air, often from cars or factories.
- 11. - A type of energy source that can be replaced naturally, like solar power.
- 13. - The protection and preservation of the natural environment.
- 15. - Decayed organic matter used to enrich soil.