Atmosphere

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Across
  1. 3. the height of a object or point relation to sea level or ground
  2. 4. pressure atmospheric pressure: the pressure exerted by the atmosphere
  3. 6. is a form of oxygen that has three oxygen atoms in each molecules instead of the usual time
  4. 7. a substance that pollutes something esp. or the atmosphere
  5. 9. the lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7–6.2 miles (6–10 km), which is the lower boundary of the stratosphere.
  6. 10. the layer of the earth's atmosphere above the troposphere, extending to about 32 miles (50 km) above the earth's surface (the lower boundary of the mesosphere).
  7. 13. shows pressure the weight of a column of mercury
  8. 14. the region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium. The thermosphere is characterized throughout by an increase in temperature with height.
  9. 16. the region of the earth's atmosphere above the stratosphere and below the thermosphere, between about 30 and 50 miles (50 and 80 km) in altitude.
  10. 19. a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, usually near the northern or southern magnetic pole.
  11. 20. attempt to persuade or coerce
Down
  1. 1. a barometer that measures pressure without using fluids
  2. 2. the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles (80 to 1,000 km) above the earth's surface.
  3. 4. is the of gases that surround the plants
  4. 5. an instrument measuring atmospheric
  5. 8. rain rainfall made sufficiently acidic by atmospheric pollution that it cause environment harm typical to forest and lake
  6. 11. a smog is a type of air pollution refers to smoky fog
  7. 12. the degree of compactness of a substance
  8. 15. vapor is water in the form of gas
  9. 17. the outermost region of a planet's atmosphere
  10. 18. is a condition of earth atmosphere at a particular time