In a survey of the nonattainment areas in the state, the agency found Helmont to be the district that exceeded the ozone standard by the largest margin. Helmont is most likely to be categorized as a(n) ________ nonattainment area.
A) severe
B) extreme
C) marginal
D) serious

Question

Quizplus · Accepted Answer

Extreme nonattainment areas are those that exceed the ozone standard by the largest margin, indicating the highest level of pollution.

In a Survey of the Nonattainment Areas in the State