Answer :
A). No. Mass doesn't just appear out of thin air. The total amount of mass never changes, no matter what you do to it.
B). No. Same reason as (A).
C). Yes. The total amount of mass never changes, no matter what you do to it.
D). No. The amount of mass never changes, no matter what you do to it.
B). No. Same reason as (A).
C). Yes. The total amount of mass never changes, no matter what you do to it.
D). No. The amount of mass never changes, no matter what you do to it.