Gayle enjoyed learning about the history of the telephone. now she will research and write an essay to rate the types of telephones available today. which organizational structure for her essay would be most effective? a) classification b) chronological c) cause-effect d) problem-solution

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."

answer: it's b friend !

explanation:

pretty easy question !