Across
- 3. A hydrocarbon that is a strong greenhouse gas and is a colorless, odorless and highly flammable gas
- 6. Sea salt, dust, and volcanic ash
- 7. The release of a substance into the atmosphere
- 8. Can often contain other elements such as hydrogen, chlorine, or bromine.
- 10. Cutting down trees
- 13. Land degradation in arid, semi-arid, and dry sub-humid areas
- 15. Resulting from HUMAN activities
- 16. Tropospheric ______ acts as a greenhouse gas
Down
- 1. Any gas that absorbs infrared radiation in the atmosphere
- 2. Released into the atmosphere from natural occurrences and the burning of fossil fuels or the manufacturing of cement
- 4. The gaseous envelope surrounding the Earth
- 5. Gasses consisting of one molecule of nitrogen and varying numbers of oxygen molecules
- 9. Land waste disposal site
- 11. A natural fuel such as coal or gas, formed in the geological past from the remains of organisms
- 12. Underground deposits of gasses
- 14. Energy transfer in the form of electromagnetic waves or particles that release energy when absorbed by an object