The Answer is A
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desire to engage in an activity that is easy on their joints
Because the rest of the answers deal with high intense exercise that really gets into the muscles and bones while mild exercise would be stretching and walking.
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None of them would not be considered pathogenic, unless you are talking about a specific type of bacteria, fungi, or virus.
Answer:
B, C, E
Explanation:
I believe it's those ones, they seem to be the most obivious! :)
Answer: exercising, having a diet
Explanation: