Pollution Definition

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Pollution - Definition

• The Random House Dictionary (1980-edition) states
  that pollute, v.t. means to make foul or
  unclean, esp. with waste materials. Websters
  II (1994-edition) defines pollution, n. as
  contamination of air, soil or water by the
  discharge of harmful substances.

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Environmental Compartments
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Typical variation of temperature with altitude
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