You can use the nutrtion facts label by looking at the calcium and finding the percent or number
<span>A reduction in the number of common cold viruses and other upper respiratory infections appears to be connected to exercising at least (B) three days a week. Common cold is harmless but not to the point of having sore throat and cough plus sneezing and congestion. Then, you need to take care of your health.</span>
Answer:
the last one is the right answer I believe
Exercise programs and sports activities can differ in number of participants from one person doing an activity like jogging or swimming, to hundreds of participants at a track meet. Structure can be loose in solo exercises where you can set your own pace, or be very strict in most competitive sports. Competition varies from none to highly competitive, and can be on an individual or team level. More complex sports and activities can present a high skill level.