Which sentence in the text below should be removed to achieve coherence?
¹ Conducting research today is both easier and harder than when my parents were college students.²Certainly, the Internet has made research much faster for students.³With a few taps on a keyboard, the student has access to facts and statistics, academic essays, and countless websites and online resources. ⁴The benefits of online research, however, are also a burden since the endless results can be overwhelming to weed through.⁵The student may also inadvertently download a virus, which can be a headache.⁶In short, the vast access the Internet offers makes research a much bigger chore than it was years ago when the holdings of the college library were the limit to one's research.

Question

Quizplus · Accepted Answer

This sentence is not necessary for the overall coherence of the paragraph and can be removed without affecting the main idea or flow of the text. The paragraph still conveys the idea that conducting research today is both easier and harder than before, due to the benefits and burdens of online research.

Which Sentence in the Text Below Should Be Removed to Achieve