An individual was exposed to a contagious disease but did not become infected. the agent was unable to enter the body and grow because it was stopped by the person's skin. this is an example of how a can prevent disease.

The answer is B

Explanation:

just put in mind that others aren't perfect. we all have problems that we feel makes us low of the low. but know that you are special and unique, that is what makes you out of this world : ). you might think and feel that others judge you, but mostly other people are scared if people judge them. just be happy, spend time with family, smile because that is the greatest medicine. a happy life. hope this : ))

the answer to your question is: family members who abuse drugs.

(i hope this ! )