Across
- 4. The layer of the atmosphere where weather occurs
- 6. A gas that traps heat in the atmosphere and helps keep our planet warm. Can be harmful in large quantities
- 9. 2% of the freshwater that is available for human use is unusable because it is _____.
- 12. The process of water soluble salts accumulating in the soil
- 14. Water that you can drink
- 15. The process of water going down through the soil and reaching the groundwater
- 18. liquid that can be contaminated that can leak from a landfill
- 19. When fertilizer causes large algae blooms and this eventually causes the death of plants/animals in the aquatic environment
Down
- 1. Farming on a large scale. This usually comes with lots of machinery and pesticide use
- 2. Type of farming where someone farms on a small scale usually for just their family
- 3. A greenhouse gas that is not carbon dioxide. It is commonly produced in landfills
- 5. When farming switched to be large scale and people in developed countries no longer had small family farms
- 7. A fund set up by the government to be able to clean up toxic waste spills
- 8. the upper boundary of the aquifer
- 10. The smallest particle of soil
- 11. A process of burning trash that can lead to air pollution
- 13. A single source of pollution
- 16. Weather patterns in an area over a long period of time
- 17. A man made block in a river, lake or stream. Water is let out to produce electricity