Which of the following environmental factors is a concern in both indoor and outdoor environments? A) air quality B) acid rain C) vehicle exhaust D) industrial waste

a. air quality

air quality if important for all places. While inside you would not experience acid rain, vehicle exhaust, and industrial waste.

Answer:The answer is A: air quality

Explanation:

Air quality is an environmental factor that is a concern in both indoor and outdoor environments.

Air is a mixture of gaseous substance surrounding the earth and which we breathe. Air quality provides air which are to protect human health and environment.

Indoor air is the air inside an environment while outdoor air is the air outside an environment.