Free Practice Question
CR · Critical Reasoning
555-605
Weaken
A significant volcanic eruption occurred in the Pacific region, leading to a thick cloud cover that affected weather patterns across North America in the winter of 1990. This suggests that volcanic eruptions can lead to colder temperatures in the atmosphere.
Which of the following statements, if true, most seriously weakens the argument above?
Answer Choices
Correct answer marked belowA
A significant warming trend in the Arctic was observed in the same year, which may have influenced temperatures across North America.
B
There is a documented correlation between volcanic activity and increased rainfall in Southeast Asia.
C
Following the eruption of Mount Pinatubo in 1991, temperatures in the region were higher than anticipated based on historical data.
The cooling effects of volcanic eruptions can obscure the long-term warming caused by greenhouse gas emissions.
Correct
E
Several months after a volcanic eruption in the Caribbean in the early 20th century, ocean temperatures in the region began to rise.
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Explanation
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Official Explanation
Official
The argument states that volcanic eruptions can lead to colder temperatures in the atmosphere. To weaken this argument, we need evidence that suggests volcanic eruptions do not necessarily lead to cooling or that other factors may play a more significant role. Option D states that 'The cooling effects of volcanic…
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D
DibyashreeApr 12, 2025
Greatt
P
PatrickApr 7, 2025
Any shortcuts for solving this faster?
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KARTIKFeb 24, 2024
Thankss
What this question tests
What it tests
Whether you can identify the option that most undermines an argument's conclusion.
Common trap
Choosing an irrelevant objection or one that attacks the premise rather than the reasoning.
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Details
Difficulty
555-605
Type
CR