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Leahh3749 Leahh3749
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6 years ago
Natural sources of air pollution come from ________.
 
  A) soil dust, wildfires, and volcanic dust
  B) evaporation of solvents
  C) internal combustion engines
  D) birds
  E) coal-fired electrical plants
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danielmata99danielmata99
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6 years ago
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6 years ago
You make an excellent tutor!
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Helped a lot
fxinternational
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this is exactly what I needed
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