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.

Question

Quizplus · Accepted Answer

Aging involves the chemical reformation of biomolecules such as DNA, proteins, and lipids which contribute to the physical changes we observe in our bodies. Therefore, aging is primarily an example of a chemical change.

Is Aging Primarily an Example of a Physical or Chemical