It tell us the minimum heart rate for cardiovascular exercises
It shows us the heart rate that we need to achieve in order for our body to increase its metabolism above normal state, which resulted in increased calories burning.
True. It is the presence of more than one disease.
The answer should be B because people with problems that have to do with drugs and alcohol don’t usually like to get help but their family cares about them and wants them to get help for their own well being.