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प्रश्न
Assertion: PAN is a secondary pollutant.
Reason: The secondary pollutants are produced by the combination of primary emitted pollutants in the atmosphere.
विकल्प
Both assertion and reason are true, and reason is the correct explanation of assertion.
Both assertion and reason are true, but reason is not the correct explanation of assertion.
Assertion is true but reason is false.
Both assertion and reason are false.
उत्तर
Both assertion and reason are true, and reason is the correct explanation of assertion.
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