B3 2020 Beall

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Across
  1. 3. these are in danger due to global warming, and will decrease the ocean's salinity
  2. 4. the drastic increase of the overall temperature of the earth
  3. 5. this may rise as a result of global warming and affect coastlines
  4. 9. this accounted for taking down the biggest part of the amazon rain forest
  5. 10. least dense atmospheric later
  6. 12. atmospheric layer containing the ozone layer
  7. 13. the atmospheric layer most meteors burn up in when entering our atmosphere
  8. 14. most abundant gas in the air we breathe
  9. 18. as you move up the stratosphere, this increases
  10. 20. the thin space in between atmospheric layers
  11. 21. most dense layer of the atmosphere
  12. 23. increasing this will decrease pressure and density in the atmosphere
  13. 24. type of rays blocked by the ozone layer that can cause cancer
  14. 25. water vapor and steam on earth originally came from this
Down
  1. 1. a type of gas in earths atmosphere that helps to trap heat from the sun
  2. 2. accounts for 60% of earth's greenhouse effect
  3. 6. gas produced through photosynthesis
  4. 7. this gas breaks down the ozone layer and caused a hole in it awhile ago
  5. 8. man made gases that were made for use in refrigeration systems
  6. 11. this is what we use to refer to the outside of the atmosphere
  7. 15. mainly comes from burning of fossil fuels
  8. 16. gas that comes from human and animal waste, especially in cows
  9. 17. when gases in the ozone layer grow too abundant and thermal energy can't reach the earth (second word is abbreviated)
  10. 19. something caused by humans that causes an area to lose habitats, oxygen, rainfall, and have increased rates of erosion
  11. 22. when natural resources like air and water are clouded due to human impacts