Well, I'm not 100% sure, but id say the, improve oral and skin health? but im not sure about the others.
-i hope its right :3
It should be puberty because once a female starts her menstrual cycle she is able to become pregnant. The same should go for guys when it comes to their sperm becoming "active" in other words
Well you can cancel a few out...
cook - no, I mean you're just cooking you may not know a lot about nutrition
epidemiologist - they determine diseases and such, so no.
Dietitian - Yes, expert in nutrition
Health Educator - I mean maybe, but they may not know anything about nutrition
Answer:
<h2>b) They're open to trying new things.</h2>