26. The writer wants to divide the preceding paragraph into two in order to separate information about Tyson's background and early accomplishments in science from information about his work with the Hayden Planetarium. The best place to begin the new paragraph would be at the beginning of Sentence:

Answer and Explanation

Your Answer is

Correct Answer is H

Explanation

The question stem requires that the first paragraph be about Tyson's background and early accomplishments in science, and the second paragraph be about his work with the Harden Planetarium. Since S4 is still a narration of Tyson's early achievements, it should be divided into paragraphs from S5. S5 mentioned the work of Hayden and Tyson.