Question

Which of the following changes to the shape of your face is most likely to cause your respirator to malfunction
A growing a beard or mustache
B not shaving regular and having noticeable stubble
C gaining or losing a lot of weight
D all of the above

Answer 1

Gaining or losing a lot of weight will changes the shape of your face and is most likely to cause your respirator to malfunction.

Answer 2

respirator is a thing that you would put over your face as to allergies and stuff like that. So, we would want to find an answer that would be something that would block the respirator.

growing a beard or mustache

by you doing so and not shaving it, it could stumble the respirator