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

i know insulin is primary but i dont know the others im sorry

explanation:

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".