Secondary sex features are characteristics that develop during puberty. Using the process of elimination, options B and D are really primary gender characteristics. Also, option A has more to do with your genetics than your gender.
That leaves option C. Breasts. They are a secondary sex characteristic that develops during puberty.
Hope this helps! :)
Answer:
it's the adrenal gland
Explanation:
its because when you get stressed hormones related to that gland start a process initiated by the sympathetic nervous system when you encounter a serious/stressfilled situation, which cause the flight or fight response.
It’s should be c and a mostly c though