Across
- 3. the ability to maintain or support a process continuously over time
- 7. the purposeful clearing of forested land
- 8. Opposite of cold
- 9. the measure of hotness or coldness
- 12. Water, Air and Land _____
- 13. substances released into the air
Down
- 1. the state of the atmosphere
- 2. a mixture of gases that surrounds the Earth
- 4. ______ gases (gases in the earth's atmosphere that trap heat)
- 5. _____ Dioxide (CO2)
- 6. relating to or determined by the sun. (____ panel)
- 10. a biological community of interacting organisms and their physical environment.
- 11. power derived from the utilization of physical or chemical resources