The answer is C. Protein is what helps your hair, skin, and nails grow.
Ibeleive the answer is bullying because younger kids get bullied and even sometimes adults but teenegers get bullied the most by other teenagers which causes stress and other issues.
sorry if its wrong
The answer would be A (Endocrine-Nervous)
Hope this helps!
The answer to your question is C. It is a set of actions taken by health organizations to prevent the spread of diseases. because the heath organizations are promoting it.
