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Cross-Text Connections SAT question
Reading and Writing · Craft and Structure · Medium · Answer it here, explanation included.
Text 1
In 2021, a team led by Amir Siraj hypothesized that the Chicxulub impactor—the object that struck the Yucatán Peninsula sixty-six million years ago, precipitating the mass extinction of the dinosaurs—was likely a member of the class of long-period comets. As evidence, Siraj cited the carbonaceous chondritic composition of samples from the Chicxulub impact crater as well as of samples obtained from long-period comet Wild 2 in 2006.
Text 2
Although long-period comets contain carbonaceous chondrites, asteroids are similarly rich in these materials. Furthermore, some asteroids are rich in iridium, as Natalia Artemieva points out, whereas long-period comets are not. Given the prevalence of iridium at the crater and, more broadly, in geological layers deposited worldwide following the impact, Artemieva argues that an asteroid is a more plausible candidate for the Chicxulub impactor.
Based on the texts, how would Artemieva likely respond to Siraj’s hypothesis, as presented in Text 1?
ExplanationShow
Choice B is the best answer. Siraj’s hypothesis is that the Chicxulub impactor was a long-period comet. But Artemieva points to the iridium found in the crater and in “geological layers that were deposited worldwide after the impact” as evidence that it was actually an asteroid, not a long-period comet.
Choice A is incorrect. We can’t infer that this is how Artemieva would respond to Siraj’s hypothesis. Text 2 never discusses whether Wild 2 is representative of long-period comets in general. Rather, Text 2 presents Artemieva’s argument that the Chicxulub impactor was an asteroid, not a long-term comet. Choice C is incorrect. We can’t infer that this is how Artemieva would respond to Siraj’s hypothesis. Siraj’s hypothesis doesn’t make this connection: rather, Siraj hypothesizes that the Chicxulub impactor was a long-term comet. Choice D is incorrect. We can’t infer that this is how Artemieva would respond to Siraj’s hypothesis. “Soil samples from sites distant from the Chicxulub crater” is too vague. Only soil samples from sites that are connected to the impact in some way are involved in either hypothesis.
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