Atmosphere Unit

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Across
  1. 4. 21% of our atmosphere is filled with this
  2. 9. total amount of greenhouse emissions caused by one person
  3. 10. 87% of our atmosphere is filled with this
  4. 11. greenhouse gas taht traps even more heat than carbon dioxide, also produced from cows
  5. 13. tiny structures insid ethe leaves that turn the sunlight into food
  6. 14. measures air pressure
  7. 17. part of the water cycle, water vapor to liquid
  8. 18. plants soak up water and nutrients through these
  9. 19. part of the water cycle, water to a vapor
Down
  1. 1. when a lake or pond has excess nitrogen it makes this
  2. 2. greenhouse gas the is most produced by humans
  3. 3. whirlin gmass of cool, dry air that brings fair weather and light winds
  4. 5. the observed rise in the average temperature of Earth
  5. 6. part of the water cycle: rain, snow, sleet, hail
  6. 7. the process of plants using the sun to make energy
  7. 8. measures wind speed
  8. 12. measures air temperature
  9. 15. formed by condensation and is a cloud
  10. 16. plants and animals rely on this in the soil to convert nitrogen