Question

if this 70 g banana was placed in a closed container and it decomposed, what would happen to its mass? the mass would become bigger. the mass would be smaller than it was. nothing, the mass would stay the same.

Explanation:

According to the law of conservation of mass in a closed - system, mass is neither created nor destroyed during a chemical or biological process like decomposition. The banana decomposes into other substances (such as gases, liquids and solids), but all the mass remains within the closed container.

Answer:

Nothing, the mass would stay the same.