Multiple Choice
Sarah is interested in purchasing a piece of home exercise equipment for aerobic workouts.She wants to build her cardiorespiratory fitness but has knee problems.Which of the following would be the best option for her?
A) an elliptical trainer
B) a motorized treadmill
C) an "all-in-one" weight machine
D) a stair-climbing machine
Correct Answer:

Verified
Correct Answer:
Verified
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