I think the three components are: environment, personal choices, and habits.
A caregiver should always make sure that a child area is always clean. Its very important to do so, if not a child could get sick, stick some trash in their mouth and get sick etc. Clean every day.
The answer your looking for is True
No, you cannot, because your trachea with be seperated from your throat, causing you to make no sound.
Hope helps!-Aparri