A definite area or space where some thermodynamic process takes place is known as

A definite area or space where some thermodynamic process takes place is known as

(A) thermodynamic law
(B) thermodynamic process
(C) thermodynamic cycle
(D) thermodynamic system.

Option D is the Correct answer. Explanation: A definite area or space where some thermodynamic process takes place is known as thermodynamic system.