Question

19 multiple choice 1 point grace and benjamin are having a fun debate! why do we cover our mouth/nose when we cough or sneeze? cure blood - borne illness prevent food - borne illness helps prevent the spread of air - borne illness limits the development of allergies

Explanation:

Coughing and sneezing expel respiratory droplets. Covering mouth/nose helps stop these droplets from spreading germs that cause airborne - illnesses. It doesn't cure blood - borne illness, prevent food - borne illness or limit allergy development.

Answer:

C. helps prevent the spread of air - borne illness