Across
- 1. the biogeochemical cycle by which carbon is exchanged among the biosphere
- 5. the circulation of the earth's water
- 7. An unstable, poisonous allotrope of oxygen, O3, that is formed naturally in the ozone layer
- 8. el niño southern oscillation
- 10. the gradual increase of the temperature of the earth's lower atmosphere
- 11. A temperature gradient as in a layer of sea water
- 13. commonly known as laughing gas
- 14. a chemical compound with the chemical formula CH4
Down
- 1. change in meteorological conditions
- 2. A reservoir that absorbs or takes up atmospheric carbon
- 3. meteorological conditions
- 4. a warm ocean current that develops after late December along the coast of Ecuador and Peru
- 5. collective term for the processes by which rock at or near the earth's surface is disintegrated and decomposed by the action of atmospheric agents, water, and living things
- 6. Cyclic counterpart to El Niño
- 9. A carbon offset is a reduction in emissions of carbon or greenhouse gases
- 12. soil at or below the freezing point of water