Across
- 3. Area near the equator
- 4. Fuels that contain carbon dioxide oil, coal
- 7. A greenhouse gas hydrocarbon.
- 8. Gases that surround the earth
- 10. Neither hot or cold
Down
- 1. What humans breathe out
- 2. Large body of ice and snow in the arctic
- 5. Height from sea level
- 6. Usual weather of an entire area
- 9. Temperature or conditions over a day