Chemistry
Chemistry, 30.04.2021 16:50, avrieell8584

A science teacher places a sealed microwave bag of popcorn on a balance and measures its mass. She microwaves the popcorn and finds the mass again before opening the bag. The masses are nearly the same.

Which scientific law does this BEST demonstrate?
Law of Conservation of Energy

Law of Thermodynamics

Law of Conservation of Volume

Law of Conservation of Matter

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