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Assertion (A) : Aurora is a curtain of color lights appear in the sky.Reason (R): They are caused by magnetic storms in the upper atmosphere.(a) Both A and R are individually true and R is the correct explanation for A.(b) Both A and R are individually true but R is not the correct explanation for A (c) A is true but R is false. (d) R is true but A is false |
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Answer» (a) Both A and R is individually true and R is the correct explanation for A |
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