I would say the best answer is B. Asking the learner to begin working on a problem.
Answer:
Lean body mass is calculated as the difference between total body weight and body fat weight, or more simply, the weight of everything except the fat. The range of lean body mass considered to be healthy is around 70% - 90% with women being towards the lower end of the range and men higher.
Please give me a heart and write it in your own words.
Developing common interests