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6.Evolution
medium
$A$ : Mesozoic is the era of dinosaurs but they suddenly disappeared from the earth.
$R$ : Dinosaurs may have changed into birds or climatic changes killed them
A
Assertion and Reason both are correct and also correct explanation.
B
Assertion and Reason both are correct but not explanation of assertion.
C
Assertion is correct, but Reason is incorrect.
D
Both Assertion and Reason are incorrect.
Solution
Dinosaur's extinction $\rightarrow$ possibly due to climatic change.
Standard 12
Biology
