I believe the answer for your question is C
It is a type of fin that is on a shark dolphin etc its a special type of fin
I believe the answer is D, because the other options are normal things that happen during stages of weight loss or puberty.
Hope this helps! :)
Answer:
F
Explanation:
Your personal decisions can effect your safety, that's why you must consider all aspect of a situation before you make a decision when exercising