Air pollution levels that may be life- threatening within a few hours or days are termed:
A) acute
B) toxic
C) high risk
D) fast acting

Question

Quizplus · Accepted Answer

Acute refers to a sudden onset and severe symptoms. In the case of air pollution, acute pollution levels can cause immediate harm and even be life-threatening within a few hours or days. Toxic, high risk, and fast-acting are all related to the severity of the pollution but do not specifically refer to the rapid onset of harm.

Air Pollution Levels That May Be Life- Threatening Within a Few