An Atmospheric Inversion Is a Phenomenon That May Have Disastrous

Multiple Choice

An atmospheric inversion is a phenomenon that may have disastrous effects with respect to air pollution.An atmospheric inversion occurs when a

A) lower layer of cool air is trapped by an upper layer of warmer air.
B) lower layer of warm air is trapped by an upper layer of cooler air.
C) lower layer of oxygen rich air is trapped by an upper layer of oxygen deficient air.
D) lower layer of oxygen deficient air is trapped by an upper layer of oxygen rich air.