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A temperature inversion is a layer in which temperature

  • A.increases with height
  • B.decreases faster than usual with height
  • C.is constant with height throughout
  • D.varies rapidly with the time of day

Answer: A

Correct answer: increases with height

An inversion is a layer in which the normal decrease with height is inverted, so warm air lies above cold. Because the cold air below is denser, the layer is very stable and resists vertical motion - which is what makes inversions matter far beyond their thermal profile, as the next item shows.

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