1.

Assertion (A) : The continents are floating on the sea.Reason (R) : The continents are composed of silica and aluminium while the oceans are oceans are composed of silica and magnesium.

A. Both (A) and (R) are true and R is the correct explanation of (A)
B. Both (A) and (R) are true and R is not the correct explanation of A
C. (A) is true but (R) is false
D. (A) is false but (R) is true
Answer» B. Both (A) and (R) are true and R is not the correct explanation of A


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