Enviromental Chem

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Across
  1. 1. Outer most part of the Earth's Surface
  2. 3. Most common gas in the Atmosphere
  3. 4. This is caused by sunlight reacting with pollutants in the air
  4. 5. Protective envelope of the Earth
  5. 7. Water turning into liquid and falling from the sky
  6. 9. Conversion of Nitrogen from gas to a more useful form
  7. 12. 75% of the Earth's surface is this
  8. 13. The Earth's crust and mantle make up this
  9. 14. Chemical Compound that destroys Ozone
  10. 16. Water turning from liquid to gas
  11. 18. Process of removing salt from water to make it fresh
Down
  1. 1. Water turning from gas to liquid
  2. 2. The water found in, on, and around the Earth's surface
  3. 4. Part of the atmosphere just outside the Troposphere
  4. 6. Warming of the Earth as certain gases absorb heat from the sun
  5. 8. Most abundant gas in the Lithosphere
  6. 10. Part of the atmosphere closest to the surface of the Earth
  7. 11. Acidic Precipitation
  8. 15. Layer under the Crust
  9. 17. Measure of amount of salt in sea water