Across
- 1. element with 6 protons, symbol C on the periodic table
- 5. layer of earth that forms weather
- 6. atmospheric layer where most debris gets burned up
- 9. emission of energy through subatomic particles, such as the heat felt at earth from the sun
Down
- 1. CO2
- 2. the layer of gases surrounding a planet
- 3. atmospheric layer where the ozone layer is
- 4. atmospheric layer that absorbs sun's radiation
- 7. the effect
- 8. move steadily and continuously