1.

Assertion A: Marine structures are made specially bulky and strong.Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below:

A. Both A and R is true and R is the correct explanation of A
B. Both A and R is true but 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 is true but R is not the correct explanation of A


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