1 2020 Presti(no spaces)

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Across
  1. 2. as altitude increase pressure _____.
  2. 5. the layer with aurora lights
  3. 11. this causes an increase of UV radiation levels
  4. 12. in the troposphere as altitude decreases temperature _______.
  5. 14. as global warning increases this is occurring and it will cause an increase in sea level
  6. 16. chemical formula for carbon dioxide
  7. 19. the layer inside of the stratosphere
  8. 20. the atmospheric gas created from plants
  9. 23. humans do this for more land, but it decreases the amount of oxygen in the air
  10. 24. most abundant atmospheric gas
  11. 26. the layer where jet fly through
Down
  1. 1. process that occurs when gases in Earth's atmosphere trap the Sun's heat
  2. 3. a greenhouse gas with the chemical formula N2O
  3. 4. in the United States this is the largest
  4. 6. the layer with the most pressure
  5. 7. a greenhouse gases that effects the health of people. Another name for it is ground level ozone
  6. 8. greenhouse gas that comes from refrigerants, aerosol propellants and cleaning solvents
  7. 9. this is only found in the troposphere
  8. 10. human activities are causing more greenhouse gases which are _______ the ozone layer
  9. 13. the layer where meteors burn up
  10. 15. changed into oxygen through photosynthesis
  11. 17. of greenhouse gases
  12. 18. most abundant greenhouse gas
  13. 21. the greenhouse effect _____ heat in the atmosphere so we can live on earth with a comfortable temperature
  14. 22. the atmospheric gas that is created from evaporation
  15. 25. a greenhouse gas emitted from cows