Answer:
D: kicking a large ball
Explanation:
A 2 year old can set on a tricycle, however, the kid won't be able to push the paddles. So option A is not realistic.
Hoping on one foot upto three times? No way. That's too much for a kid. He could try to catch a bounced ball but would fail most often. So option D is correct
I believe that it relates to or involves free oxygen, if it is used in exercise- aerobic practices help improve the the efficiency of the body's cardiovascular system with absorbing and transporting oxygen.
Hope this helps