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:

oth A and R are true but R is not the correct explanation of A.

oth A and R are true and R is the correct explanation of A.

Assertion A : Marine structures are made specially bulky and strong.Re

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

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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:

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