Question

What happens when the threat of exposure to dirty air is reduced in a community?

There is enough oxygen available for people's lungs to function normally
The amount of indoor air pollutants released during a fossil fuel burn decreases
There is a minimal exposure risk to the outdoor dirty air pollutants like carbon monoxide and radon.
The risk of experiencing digestive related diseases from exposure to a buildup of dirty air is low

Answer 1

Answer: A

Explanation: If exposure is decreased, then that means more cleaner and healthy air is present. This means that there is enough clean air for people’s lungs to work good.