In 1974,Dr

Multiple Choice

In 1974,Dr.Rowland and Dr.Molina made what observation vis-à-vis ozone (O3) ?

A) The photochemical interactions of chlorofluorocarbons and O3.
B) Automobile exhaust and sunlight were producing photochemical smog.
C) Anthropogenic O3 releases were a major culprit in global warming.
D) Ground-level O3 irritates human eyes and respiratory systems.
E) O3 is of little importance to humans.