Question

How can the mass of a coin be decreased?
A. By melting the coin
B. By breaking the coin into smaller pieces
C. By compressing the coin with a vise
D. None of the above will decrease the mass of a coin

Answer 1

The answer is D. Mass of a coin can never be decreased.

Answer 2

the correct answer would be D, none of the other answers would decrease the mass of the coin