Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Helium is used to dilute oxygen in diving apparatus. Reason R : Helium has high solubility in O$_2$. In the light of the above statements, choose the correct answer from the options given below:

Question

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Helium is used to dilute oxygen in diving apparatus.

Reason R : Helium has high solubility in O$_2$.

In the light of the above statements, choose the correct answer from the options given below:

Both A and R are true but R is NOT the correct explanation of A.

A is true but R is false.

A is false but R is true.

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

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