Across
- 4. The layer of gases surrounding Earth
- 5. Trees __________ carbon dioxide from the atmosphere, reducing warming effects
- 6. Structures produced by marine organisms that are negatively impacted by acidification
- 9. A decrease in ocean pH caused by carbon dioxide dissolving in water
- 11. The variety of organisms living in an area, reduced by deforestation
- 12. Needed for human activities, can be collected from renewable or nonrenewable resources
- 13. Nonrenewable energy sources like coal, oil, and natural gas
- 14. Type of energy that is trapped by greenhouse gases in the atmosphere
- 17. A greenhouse gas released by livestock and landfills
- 18. There is __________ methane than carbon dioxide in the atmosphere, but methane can trap more heat
- 20. Fossil fuel whose mining is associated with methane emissions
Down
- 1. A gas released when fossil fuels are burned that traps heat
- 2. The large-scale removal of trees from forests
- 3. How carbon dioxide gets from the atmosphere into the ocean
- 7. A community of living organisms interacting with their environment
- 8. __________ gases in the atmosphere trap heat and contribute to warming
- 10. Farm animals that produce a large amount of methane gas
- 15. Areas where plants and animals live, disrupted by deforestation
- 16. Long-term changes in Earth’s average temperature and weather patterns
- 19. Places where waste is buried and methane is released