Answer:Here
Explanation: Circuit training is a high volume but low resistance weight workout with 2-3 minute rest intervals involving cardio, and is focused on improving muscle tone and definition while also improving cardiovascular fitness. It is a popular way of working out, especially if you are looking for variety in your workouts.
The answer should be A because they are the only one you could actually do it to. You can’t hurt a baby or a pregnant women and you can’t wrap your arms away a fat person.
It won't work the best because you have little water and the kidneys need water to function.
