Answer:
The individual has no control over some of these factors, including developmental determinants, genetic makeup, gender, and age. Other factors that influence body weight over which the individual has potential control include level of physical activity, diet, and some environmental and social factors.
Answer:
Here are some ways to help Marcen : ⬇
Tutor him, show him how to do basic stuff in all of his classes
Maybe help him understand the work he is assigned to do (relating to the tutor idea)
If Marcen needs help, ask him after school to help in his work to help him understand, but to not give him answers or he wont learn!
Or just give him an example in some assignments, like if it was a show your work problem, give him an example to follow.
Explanation:
Hopefully this helped you!
Watch with a timer would be the most useful for monitoring your heart rate