Question

Hi I know this isn't math but nobody's helping me in Physics so you people are my only hope.

A cold dish of ice cream can be considered a closed system for a very short period of time.

Which best explains this phenomenon?

A. <-- I think it's this one.
The ice cream will eventually gain heat and melt.

B.
The ice cream can be eaten.

C.
The ice cream can be many different flavors.

D. <-- But it could also be this one
The mass of the ice cream will change as it melts.

Answer 1

the mass should not change

Answer 2

THANK YOU