26. One reason that teens tend to be especially susceptible to fatigue is that: A. It's harder to deplete their supply of energy
B. Their circadian rhythms are highly erratic
C. They are less aware of how fatigue affects them
D. They have trouble sleeping deeply

Sorry but I don’t know

The used coins.. .

This question is an opinionated one, and we don’t know anything about the module or anything, thus we can not answer it. but if you are having trouble on what it is asking basically it is just asking to (using your knowledge on the topic) say which topics you were most interested and which were the most challenging.hope this : p