This goal would fit with the “S” because it’s something that isn’t too vague and is also may be significant to him
The answer is A. Good luck!
Organelles-cells-tissues-organs-organ system-organism
I don't know what the 1.6 means but if an individuals skin has a rash,itching or bubbling these should be reported or one should see a doctor, these can be a cause of a allergy or wrong medication.