Let's go to the gym together, you pick the activity:D
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
it’s B because he’s doing 2 different things
Your answer is B. Longitudinal fissure. Hope this helps!