What happens to a bowl of hot soup when it is placed into a freezer where the air temperature is below freezing. how does this apply to an open system

that statement is almost always false.   when anything is heated, it expands with one tiny exception.

when water is heated from 0°c to 4°c, it contracts.   i'm pretty sure that this is the only place in nature where this exception to the rule occurs.   if it didn't, then life on earth wouldn't be possible !

we can answer this one very quickly.   from the law of conservation of energy, we know that "energy can't be created or destroyed.".

so that only leaves us one way to complete the sentence in this question:

"one form of energy can be transformed into another type of energy. "   (b)

fusion its fusion like for real