ANSWER:
the answer is A
~BATMANS WIFE DUN DUN DUN...AKA ~SERENITYBELLA
Mike is feeling jealous of the time Sergio is spending with will.
Sergio’s interest have changed
Sergio and mike may no longer share the same values
Sergio has changed for the worse
"D.all of the above" is the answer
He could make sure he exercises regularly to keep the blood flow pumping to his heart, he can eat healthy so that he does not have a lot of fat build up in his arteries and he can also stay away from smoking to keep his body functioning properly.
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The answer should be C. Teens have higher risk. :))