Global Warming & Air Pollution

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Across
  1. 5. long term heating of Earth's climate system
  2. 7. a period of exceptionally hot weather
  3. 8. liquid particles suspended in air
Down
  1. 1. a gas that contributes to the greenhouse effect by absorbing radiation
  2. 2. contamination of an indoor or outdoor environment
  3. 3. air pollution that reduces visibility
  4. 4. main source of air pollution
  5. 6. another name for corn