<span>The correct answer is B. The law of conservation of mass states that the mass of an isolated system is neither created nor destroy by chemical reaction or physical transformation. This means that the mass of subtances in an isolated system remains constant, it can not decrease and it can not increase.</span>
A trippy asssssss body..........
Protons and neutrons. Explanation:
Protons are massive, positively charged
nuclear particles.
Mass of object/source
Gravity
Fg=mg