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Based on the texts, how would Hull's team (Text 2) most likely respond to the argument in the underlined portion of Text 1? Text 1 The Cretaceous-Paleogene (K-Pg) mass extinction event is usually attributed solely to an asteroid impact near Chicxulub, Mexico. Some scientists argue that volcanic activity was the true cause, as the K-Pg event occurred relatively early in a long period of eruption of the Deccan Traps range that initially produced huge amounts of climate-altering gases. These dissenters note that other mass extinctions have coincided with large volcanic eruptions, while only the K-Pg event lines up with an asteroid strike. Text 2 In a 2020 study, Pincelli Hull and her colleagues analyzed ocean core samples and modeled climate changes around the K-Pg event. The team concluded that Deccan Traps gases did affect global conditions prior to the event, but that the climate returned to normal well before the extinctions began—extinctions that instead closely align with the Chicxulub impact.
- 1By asserting that the Deccan Traps eruption had a more significant effect on global conditions than those scientists claim
- 2By questioning why those scientists assume that the Chicxulub impact caused the Deccan Traps eruption
- 3By declaring that the changes in climate caused by the Deccan Traps eruption weren't the main cause of the K-Pg event✓
- 4By agreeing that the Chicxulub impact changed the climate and that the Deccan Traps eruption caused the K-Pg event
Correct answer
By declaring that the changes in climate caused by the Deccan Traps eruption weren't the main cause of the K-Pg event
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