Weather

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Across
  1. 3. The change of a substance from a liquid to a gas
  2. 5. A narrow belt of strong winds that blow in the upper troposphere
  3. 6. A huge body of air that has similar temperature, humidity, and air pressure at any given height
  4. 7. The continuous process by which water moves from Earth's surface to the atmosphere and back
  5. 9. humidity The percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temperature
  6. 11. Any form of water that falls from clouds and reaches Earth's surface
  7. 14. a front where a warm air mass is caught between two colder air masses and brings cool temperatures and large amounts of rain and snow.
  8. 15. a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
  9. 17. A boundary between two air masses
  10. 18. a measure of the amount of water vapor in the air
  11. 19. Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect
  12. 20. A gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants
Down
  1. 1. The average weather conditions in an area over a long period of time
  2. 2. The condition of Earth's atmosphere at a particular time and place
  3. 4. instrument used to measure wind speed
  4. 8. The envelope of gases surrounding the earth or another planet
  5. 10. A warm air mass that forms in the tropics and has low air pressure.
  6. 12. an instrument used to measure humidity
  7. 13. air mass that forms over cold regions
  8. 16. The change of state from a gas to a liquid