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. A.
chemical barrier
B.
physical barrier
C.
protective behavior
D.
medication

B.

Explanation:

Physical barrier

d) she is both terrified and excited by the idea of returning to school.

a) she takes one day at a time.

d) she felt like she was an object of ridicule.

d) she tells her daughter not to worry about it because things will get better.\

b) elnora needs money for books and out-of-town tuition. she will raise the money herself.

its hard for me to see which word is supposed to be in bold. if i knew then i would be able to better.