Question

whai is law of conservation? drop some thanks ​

Answer 1

Answer:

conservation law, also called law of conservation, in physics, a principle that states that a certain physical property (i.e., a measurable quantity) does not change in the course of time within an isolated physical system. ... In an isolated system the sum of all forms of energy therefore remains constant.

Answer 2

Explanation:

Law of conservation of mass says that “mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.”