Question

what is conservation principle​

Answer 1

Answer:

Conservation law, also called law of conservation, in physics, several principles that state that certain physical properties (i.e., measurable quantities) do not change in the course of time within an isolated physical system.

Answer 2

Answer:

Conservation principles tell us that some quantity, quality, or aspect remains constant through change. Such principles already appear in ancient and medieval natural philosophy. In one important strand of Greek cosmology, the rotation of the celestial orbs is eternal and immutable.