Across
- 1. Process of gathering food scraps and yard waste into a bin and letting it decompose and thenadding it to soil to help plants grow.
- 3. Natural forms of energy, such as oil, natural gas, and gas, that were formed a very long timeago,when dinosaurs lived on Earth.
- 5. Able to break down without causing harm when thrown out.
- 7. Process in which used materials are turned into new products.
- 8. Gas made up of oxygen that naturally exists high above Earth’s atmosphere.
- 9. Any form of precipitation that includes particles containing acid.
- 10. Fog that has mixed with smoke and chemical fumes
Down
- 2. Actions that maintain the natural resources in the environment.
- 4. Goods that have a less harmful impact on the environment than traditional products
- 6. Substances that contaminate the environment