Answer:
The source is current, because you shouldn't rely on information from 50 years ago.
For substantial health benefits, adults should do at least 150 minutes (2 hours and 30 minutes) a week of moderate-intensity, or 75 minutes (1 hour and 15 minutes) a week of vigorous-intensity aerobic physical activity, or an equivalent combination of moderate- and vigorous-intensity aerobic activity.
Http://www.news-medical.net/health/What-Does-The-Pancreas-Do.aspx
i believe its A. hope this helps may i get a brainliest possibly
I would say Se/x with a minor would be your answer.