Third Degree burn if it affects the bone too the other two just affect the skin no the bone
B improve your posture and appearance
The answer is going to be 90%.
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