weather terms

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Across
  1. 6. describes the amount of water vapor present in the air
  2. 7. a layer of gas and suspended solids extending from the Earth's surface
  3. 11. the lowest layer of Earth's atmosphere
  4. 12. lies between the thermosphere and the stratosphere.
  5. 13. an instrument for measuring the density of liquids
  6. 14. an instrument used to determine the direction of the wind
  7. 15. an instrument measuring atmospheric pressure
Down
  1. 1. fourth layer of Earth's atmosphere, situated above the mesosphere
  2. 2. refers to the long-term statistical description of weather patterns
  3. 3. the outermost region of a planet's atmosphere.
  4. 4. an instrument for measuring the speed of the wind,
  5. 5. describes the degree of hotness or coldness of a substance
  6. 8. an instrument for measuring and indicating temperature,
  7. 9. an upper portion of the atmosphere above the troposphere where temperature changes little and clouds
  8. 10. provides a clear picture of the atmospheric conditions,