Environmental Science Unit 7-8

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Across
  1. 2. water pollution is a form of
  2. 5. the first organisms to disappear in an ecosystem.
  3. 9. when primary air pollutants react with chemicals in the atmosphere
  4. 10. paint is a type of
Down
  1. 1. runoff is a form of
  2. 3. a pop used as an insecticide
  3. 4. Nitrogen monoxide and sulfur dioxide are examples of
  4. 6. synthetic organic chemicals
  5. 7. thermal invasion creates this
  6. 8. increase in toxins and pollutants