The changes that Sarah is experiencing is climacteric because the changes that she is experiencing are all physical and this happens when she is to undergo menopause. That is why it is called climacteric, an event that is happening or simply the symptoms that she is having because of her undergoing to menopause.
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hello the answer is B. intensity It reflects how difficult an exercise is for a certain person to complete and the amount of oxygen the body uses to do an exercise and the amount of calories burned while doing the activity. The higher the intensity, the harder the activity, the higher the heart rate, and the more burned calories hope this helps!!!