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Question : [A]: Mesozoic era is known as the 'Age of Reptiles'.[R]: It was the era of origin, differentiation and final extinction of dinosaurs which thrived in sea, in air and on land.

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If both A and R are TRUE and R is the correct EXPLANATION of A
If both A and R are true but R is not the correct explanation of A
If A is true and R is false
If both A and R are false

Answer :A


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