why do workers such as miners who have worked in a dusty envionment for many years breath more rapidly than people who

Question: why do workers such as miners who have worked in a dusty envionment for many years breath more rapidly than people who have worked in a clean area?

Asked by aahb266 on 17 Jan 2017.

Question: why do workers such as miners who have worked in a dusty envionment for many years breath more rapidly than people who have worked in a clean area?