Assertion (A): In Figure, the intercept of the line on y-axis is equal to N (ae + ai), where N is number of atoms/m³, ae is electronic polarizability and ai is ionic polarizability.Reason (R): ae and ai are independent of temperature.

• A. Both A and R are true and R is correct explanation of A
• B. Both A and R are true but R is not correct explanation of A
• C. A is true but R is false
• D. A is false but R is true