The Earth's Atmosphere

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Across
  1. 2. gas with 3 oxygen atoms
  2. 6. the man who invented the thermometer
  3. 7. this layer of the atmosphere starts at 11 miles
  4. 9. reports how much water vapor air is holding
  5. 10. the most abundant gas in the earth's atmosphere
  6. 12. transmitter the reason weather balloons no longer need retrieval
  7. 13. ozone protects us from this
  8. 15. Mt Everest does not break out of the
  9. 16. greenhouse gas created from burning fossil fuels
  10. 18. before weather balloons scientists used these
Down
  1. 1. realized the atmosphere was made of several gases
  2. 3. Agency of the US govt that records and measures weather
  3. 4. unmanned weather balloon in 1930s
  4. 5. modern weather uses these
  5. 8. the earth is 4.6 ________ years old
  6. 11. ozone is a very strong type of this gas
  7. 14. measures amount and type of light from a material
  8. 17. this gas has little impact on weather