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Question : Assertion : Recycling of materials is must for the maintenance of biosphere . Reason : Because energy flows unidirctionally in a food chain.

Answer»

If both ASSERTION and REASON are true and Reason is CORRECT explanation of Assertion.
If both Assertion and Reason is not correct explanation of Assertion.
If Assertion is true but Reason is false.
If both Assertion and Reason are false.

Answer :B


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