The Law That Simply States That Energy Is Conserved Is $0^{\text {th }}$

Multiple Choice

The law that simply states that energy is conserved is

A) the $0^{\text {th }}$ law of thermodynamics.
B) the $1^{\text {st }}$ law of thermodynamics.
C) the $2^{\text {nd }}$ law of thermodynamics.
D) the $3^{\text {rd }}$ law of thermodynamics.