Answer:
C
Explanation:
Active voice has the impression of taking responsiblity, and therefore should be used the most.
The text structure employed in this passage is: c. Problem and solution.
Problem and solution is one of the several text structures that writers can employ in their writing. A problem is first stated and possible solutions to the problem are presented.
In the passage above, we see that the writer first presented a problem, which is the incessant earthquakes in countries like Japan. He finally provided a solution to the problem.
Learn more about text structures here:
brainly.com/question/12053427
Them would be the correct pronoun for this sentence because books is plural and is an object, so its pronoun must be third person. The 3rd person plural pronoun in English is they, and its objective/accusative form (the form used when the item is the object of a verb) is them, so there's your answer.