Your answer would be C) less, more
Aerobic exercise reduces the risk of many conditions, including obesity, heart disease, high blood pressure, type 2 diabetes, metabolic syndrome, stroke and certain types of cancer. Weight-bearing aerobic exercises, such as walking, help decrease the risk of osteoporosis.
Environmental Science
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You didn't put the option so Ill just explain what reinforcement which is the process of encouraging or establishing a belief or pattern of behavior, especially by encouragement or reward.
Keep handsanitizer in your locker or even carry it around with you use it after u blox=w your nose sneeze or even cough so that way u cant spread germs and also if a couple of friends are sick tell them the truth about you not wanting to get sick and just tell them that u cant hug them or be near them at that time
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