What technique makes the two excerpts effective when used together? A. the use of credibility
B. the appeal to emotion
C. the use of counterclaims
D. the appeal of ethics

I believe the answer is C. the use of counter claims

Explanation:

c. The use of counterclaim

Explanation:

I took the quiz

in order to answer your question i need you to provide us the images.

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."