What differentiates baseline activities from health-enhancing activities? the intensity of the activity the cost of the activity the participant in the activity the frequency of the activity

The difference lies in the intensity of the activity

The baseline activity only consist of really low intensity activity such as standing, and walking slow.
Baseline activity won't increase your health

Health - enhancing activities consist of high intensity activities that will cause physical stress for your body, but in the long run it will increase your overall strength

Blood transfusions were rarely done and often fatal; they were outlawed until the nineteenth century.