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Assertion: A planet is a heavenly body r...

Assertion: A planet is a heavenly body revolving round the sun. Reason: Star is a self-luminous body made of gaseous material.

A

A. if both assertion and reason are true and reason is the correct explanation of the assertion

B

B. if both assertion and reason are true but reason is not correct explanation of the assertion

C

C. if assertion is true, but reason is false

D

D. if both assertion and reason are false

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