B3 2020 Kinlaw

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Across
  1. 4. 28% of all GHG emissions; caused by cars, airplanes, trains, etc
  2. 8. 0.9% of all atmospheric gases
  3. 9. gases that trap heat in the atmosphere
  4. 12. 2% of all GHG's; man-made gases that have the ability to stay in the atmosphere for centuries
  5. 13. 3rd layer of the atmosphere; meteors are here
  6. 14. 4th layer of the atmosphere; Aurora Borealis and satellites are found/occur here
  7. 15. Found in the thermosphere; solar radiation ionizes gas molecules to become +, and -
  8. 18. The outermost layer of the atmosphere; has no exterior limit
  9. 21. the trapping of the sun's warmth and other gases in a planet's lower atmosphere
  10. 22. 6% of all GHG's; used for laughing gas
  11. 23. the state of the atmosphere at a place and time as regards temperature, and precipitation
  12. 25. the most abundant greenhouse gas in the atmosphere; the gaseous phase of water
Down
  1. 1. the cutting down of trees without replacing; mostly happening in rainforests like the amazon
  2. 2. the long-term alteration or change of temperature and typical weather patterns on Earth
  3. 3. 76% of all GHG's; increasing in emission into the atmosphere; created by human activity like burning fossil fuels
  4. 5. Found in the upper regions of the ionosphere, holds two radiation belts
  5. 6. weather occurs here; the first layer of the atmosphere
  6. 7. 10% of all GHG emissions; The practice or study of farming crops; leads to Deforestation, Overgrazing, Desertification, etc
  7. 10. set of layers(s) of gases surrounding a planet that is held in place by the gravity
  8. 11. 2nd layer of the atmosphere; ozone layer; piolets like to fly here
  9. 14. a measure of the warmth or coldness of an object or substance
  10. 16. 78% of atmospheric gases; most abundant atmospheric gas
  11. 17. a man-made greenhouse gas; used as refrigerants, aerosol propellants, and cleaning solvents
  12. 19. 21% of atmospheric gases; produced by plants
  13. 20. 16% of all GHG's; effective absorber of radiation
  14. 24. 60% in brazil; holds 20% of all oxygen on Earth