Assertion (A): Second law of thermodynamics is called the law of degradation of energy.
Reason (R): Energy does not degrade each time it flows through a finite temperature difference.
a) Both A and R are individually true and R is the correct explanation of A
b) Both A and R are individually 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