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
Push-ups can be done on her own without anyone's help.
For Sit-ups.Yoko will require another person to support her legs
Dancing will require a trainer or coach. while in weight lifting, she needs a spotter