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Rachel is a fitness instructor in a senior living community, so the population is over 55. On the whole, they are very active, and her fitness classes are quite popular. Rachel is always sure to include a lot of balance exercises into her classes. Which BEST explains why she does this?
A.
Balance exercises tend to be very high-energy.
B.
Falls are particularly dangerous for older people.
C.
There is no possibility of injury with balance exercises.
D.
Balance exercises are a standard part of any exercise class.


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