Final answer:
The sentence 'There are dark clouds in the sky.' qualifies as a piece of factual evidence to support the claim 'It's going to rain soon.'
Step-by-step explanation:
The sentence 'There are dark clouds in the sky.' qualifies as a piece of factual evidence to support the claim 'It's going to rain soon.' Dark clouds in the sky are often associated with rain, as they can indicate an approaching storm or precipitation. This visual observation provides concrete evidence that supports the claim of impending rain.
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