Most medical professionals don’t include environmental information because there are so many environmental factors that affect different people.
I think it would be C since your looking for a safe place to study.....Hope this helps
Warming up is important because you need to "warm up" your core and muscles and gets the blood flowing in preparation of a strenuous workout. It also helps prevent the risk of injury.
Stretching, walking, jogging, arm circles, lunges, squats and jumping jacks are good choices to include in a warm up
