hello the answer is B. intensity It reflects how difficult an exercise is for a certain person to complete and the amount of oxygen the body uses to do an exercise and the amount of calories burned while doing the activity. The higher the intensity, the harder the activity, the higher the heart rate, and the more burned calories hope this helps!!!
To be honest i think every sport should have some type of running, but i think the answer is swimming because you use your whole body and it is basically running just in water and the water makes you lightweight, so you don't feel like your working out even though you are.
Answer:
her colds were gone after an hour of taking the medication... because the medicine cleared the nosal cavity...