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Pollution: Smog as Cause Quiz App Download & e-Book - 1330

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MCQ: 1330

An inversion of smoke escape occurs if

  1. layer of warm air continually replaces the cold air
  2. layer of warm air acts like a lid and does not allow the cold air and smoke to escape
  3. hot air and smoke react to form smog
  4. cold air acts as a lid and prevents escape of smoke and sulphur dioxide
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