Is Aging Primarily an Example of a Physical or Chemical

Multiple Choice

Is aging primarily an example of a physical or chemical change?

A) Aging is an example of a physical change since it involves our physical bodies getting older each day.
B) Aging is an example of a chemical change involving the chemical reformation of our biomolecules.
C) Aging cannot be classified as either a physical or chemical change.
D) None of the above is true.