Across
- 2. long-period waves are called?
- 3. After you eat, you throw your food in the?
- 4. A tropical storm with strong winds is called?
- 5. You burn fossils to make what?
- 7. When you use the toilet, it's human?
- 9. Water falling from the sky is called what?
- 10. Natural fires are called?
- 12. A long-term shift in temperatures and weather patterns is called?
- 14. The process of removing trees is called?
Down
- 1. The smoke that comes out of factories is called what?
- 3. A car is a form of this
- 6. When chemicals are put in the air or water it's called what?
- 8. You need these buildings to make stuff
- 11. A barrier constructed to hold back water is called?
- 13. When the pesticides for farming wash away with the rain, it's called what