Answer:
there is presently inadequate evidence to conclude that e-cigarettes, in general, increase smoking cessation.
Explanation:
because it is difficult to make generalizations about efficacy for cessation based on clinical trials involving a particular e-cigarette.
The answer is to increase the minutes in which he is doing the exercise. He can just increase it by a couple of minutes and he will gradually improve his endurance.
VO2 Max is the most accuratemeasure of cardio-respiratory fitness. It measures the maximum amount of oxygen that the body can use in one minute per kilogram of body weight (mL/kg/min). During exercise, the heart rate responds by increasing, as does the delivery of oxygen to the body.
I believe the answer to your question will be D)
