Soldiers typically enlisted for active military duty for .
a. 2
b. 4
c. 6
d. 8

The correct answer is a. 2.

Soldiers typically enlisted for active military duty for 2 years. It is not 4, 6, or 8. So the correct answer among all the choices is 2 years. Which is letter A. This is also the case in some countries like South Korea. I hope this answer helped you. 

Air enters through the nose (and sometimes the mouth), moves through the nasal cavity, the  pharynx, the  larynx, enters the  trachea, moves through the  bronchi  andbronchioles  till the alveoli.

One reason is animal teeth are in an extraordinary structure.another reason is animal teeth are creative