B? I believe so. Good Luck!
Hello~
The study of human population is called
B. Demography
Answer: I believe C
I hope this helps, and if it does can you mark me brainliest. thanks! <3
<em>The </em><em>right </em><em>answer </em><em>is </em><em>A</em><em>)</em><em> </em><em>tactical </em><em>decision </em>