Answer:
Here's some reasons (down below).
Step-by-step explanation:
For one of your reasons, you could say that masks reduce the risks of getting C19, and those who do not wear masks may spread C19 quicker. Masks protect people from the risk of germs and stop the spread of C19 if you were infected (because you'll be the only one coming in contact with your sneezes and coughs, for example.)