Question

Define law of conservation​

Answer 1

Answer:

The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity can neither be added nor be removed.

Answer 2

Answer:

mass can neither be created nor be destroyed.

Explanation:

any element which exists in universe have dome mass this mass can neither be created nor be destroyed.