Assertion (A): A piece of copper and a piece of glass are heated to the same temperature. When touched, there after, the copper piece appears hotter than the glass piece.Reason (R): The density of copper is more than that of glass.

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