A significant volcanic eruption occurred in the Caribbean, leading to a thick cloud of ash that spread across the region in the spring of 1990. Consequently, it was concluded that such eruptions lead to a decrease in regional temperatures.

Which of the following statements, if true, most seriously weakens the argument above?

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Correct answer marked below

A few months after the eruption, temperatures in the Caribbean were higher than the seasonal average.

Correct

The ash cloud from the eruption was quickly dispersed by strong winds, having little lasting effect.

There is a correlation between volcanic eruptions and increased rainfall in the Amazon rainforest.

The eruption coincided with an unusual warming trend in the Atlantic Ocean.

Several studies indicate that volcanic eruptions have a negligible impact on long-term climate patterns.

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Explanation

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Official Explanation

Official

The argument states that volcanic eruptions lead to a decrease in regional temperatures based on the occurrence of a significant eruption in the Caribbean. To weaken this argument, we need evidence that contradicts the idea that eruptions consistently lead to cooler temperatures. The statement 'A few months…

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Comments

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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.