Digital PSAT Reading and Writing Practice Question 179: Answer and Explanation
Question: 179
Dark matter-unobserved material inferred to exist by its quantifiable gravitational effect on visible galaxies-is estimated to comprise roughly 23 percent of the universe by density. Visible atoms, _________, constitute less than 5 percent.
Which choice completes the text with the most logical transition?
- A. meanwhile
- B. as a result
- C. due to this fact
- D. precisely
Correct Answer: A
Explanation:
(A) Meanwhile provides a logical contrast between the relatively large percentage of dark matter and the relatively small percentage of visible atoms. None of the other options provides a logical contrast.
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