THE ATMOSPHERE

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Across
  1. 3. A greenhouse gas released from refrigerators
  2. 6. A greenhouse gas released from fertilizers
  3. 13. Here the temperature is as low as -58 Celsius.
  4. 15. Most abundant greenhouse gas
  5. 17. The blanket of gases surrounding the Earth.
  6. 18. Scientist who studies weather
  7. 20. This layer protects us from meteors and obsolete satellites
  8. 21. This layer is free from clouds and associated weather phenomena, making it ideal for flying planes
Down
  1. 1. This gas controls combustion and respiration
  2. 2. The heat released when water changes from one state to the other
  3. 4. The scientific study of climate.
  4. 5. A period of dryness, lack of water
  5. 7. An effect on ozone depletion on the human eyes
  6. 8. This protocol marked the phasing out of ODS
  7. 9. Absence of this allows gas molecules to escape into space.
  8. 10. Electrically charged particles
  9. 11. Coldest layer of the atmosphere
  10. 12. A molecule made up of 3 oxygen atoms
  11. 13. This word means 'change' and is the first layer of the atmosphere.
  12. 14. Situation when radiation from Earth's atmosphere warms the Earth's surface beyond its normal temperature
  13. 16. This is used in electric bulbs
  14. 19. A greenhouse gas released form rice paddies