When we Learned about plate motion when the plates had hard solid rock destroyed in the mantle or soft solid rock was added to the plates could this be an example of how rocks can change form?.explain

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products