In any physical or chemical process, what two quantities are always conserved?
A B C D
matter and total energy light and acoustic energy density and thermal energy gravity and potential energy
Question: In any physical or chemical process, what two quantities are always conserved?
(A) matter and total energy
(B) light and acoustic energy
(C) density and thermal energy
(D) gravity and potential energy

Answer: (A) matter and total energy
Answer: (B) light and acoustic energy
Question: In any physical or chemical process, what two quantities are always conserved?
(A) matter and total energy
(B) light and acoustic energy
(C) density and thermal energy
(D) gravity and potential energy
Answer: (A) matter and total energy