Science Vocabulary 3:7

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Across
  1. 5. Rain that is unusually cidic.
  2. 6. An Agency of the U.S. federal government whose mission is to protect human environment and health.
  3. 7. A pollutant made from natural causes.
  4. 8. by which radiation from the planets atmosphere warms the planets surface.
  5. 10. In earths lower atmosphere, near ground level, ozone is formed when pollutants caused by cars, power plants, airplanes etc.
Down
  1. 1. Describes two distinct but related phenomenon observed since the late 70's.
  2. 2. The degree that tells now pollutant free the air is.
  3. 3. Carbon Dioxide, Methane, Water, and Nitrous Oxide
  4. 4. A global increase in the average temperature of the earths atmosphere and ocean.
  5. 9. Fog or haze combined with smoke and other pollutants.