The study of human populations is called Demography. Sorry it’s late.
Answer: Composition maybe?
Explanation:
(c) One corollary of the second law of thermodynamics states that the change in entropy<span> of </span>a closed system<span> must be greater than zero or equal to zero. (d) </span>A closed system can experience an increase in entropy only when<span> irreversibilities are present within the </span>system<span> during the process.</span>
2n-1, is this the answer your trying to find?