B. engage in regular physical activity and get in the habit of eating food that is high in nutrients.
I would say a because he ran too much but that would be just me I think he hurt his knee from running too much more exercise but probably just aggravate his condition I could be wrong but this is what I think
The temperature range in which most bacteria grow is between 40 degrees F<span> (</span>5 degrees C<span>) and </span>140 degrees F<span> (</span>60 degrees C<span>). Raw and cooked foods should not be kept in this danger zone any longer than absolutely necessary.</span>
Answer:
Material living conditions(income, consumption, material conditions)
Productive activities
Health
Education
Natural and living environment