Question scient
Scientists long debated the origins of chondrules, tiny glass beads that formed in meteors billions of years ago. For decades, different theories were proposed, from lightning strikes to powerful rock collisions, but none had sufficient evidentiary support. blank scientists found strong evidence that chondrules were formed by shock waves in nearby nebulae.
Which choice completes the text with the most logical transition?
For example,
Therefore,
Similarly,
Finally,
Scientists long debated the origins of chondrules, tiny glass beads that formed in meteors billions of
Hard-difficulty · SAT Reading & Writing · Transitions — Sequence/time transitions (first, then). Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice D is the best answer. "Finally" logically signals that the information in this sentence—that scientists found evidence that chondrules were formed by shock waves in nearby nebulae—indies a conclusion to the scientific debate mentioned in the previous sentences.
Choice A is incorrect because "for example" illogically signals that the information about the evidence for chondrule formation in this sentence exemplifies the information about the scientific debate regarding chondrule formation in the previous sentences. Instead, it indies a conclusion to the debate. Choice B is incorrect because "therefore" illogically signals that the information in this sentence is a result of the previous information about the scientific debate regarding chondrule formation. Instead, it indies a conclusion to the debate. Choice C is incorrect because "similarly" illogically signals that the information that follows is similar to the information about the scientific debate regarding chondrule formation in the previous sentences. Instead, it indies a conclusion to the debate.
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