For Yoko's physical fitness class, she is supposed to do a certain amount of aerobic exercise on her own. Which of the following would be the best option?
1.Sit-ups
2.Push-ups
3.Lifting weights
4. Dancing
Pushups would be the best option. Sit-ups often require someone to hold the base of the legs stable. Lifting weights often requires a spotter. Dancing usually requires a teacher or a mentor.
