i think it is exercise i'm not sure. <em>I</em>'m in wellness class too if this is <span>a edgenuity question.</span>
Vaccines. Sometimes the patient may be allergic and can not handle the small dose.
They are all used for energy, etc.
Hope this helps.
A, because if you know about hygiene, you can help prevent the flu. Ex: educating younger kids to always wash your hands after touching anything dirty, after using the restroom, and before eating.
The answer is answer choice A