Answer;
improve your chances of going to college
Explanation;
Physical activity helps improve academic achievement. Teachers have long suspected it. Physical activity can have an impact on cognitive skills and attitudes and academic behavior, all of which are important components of improved academic performance.
Exercise affects the brain on multiple fronts. It increases heart rate, which pumps more oxygen to the brain. Exercise stimulates the brain plasticity by stimulating growth of new connections between cells in a wide array of important cortical areas of the brain.
On Brainly to get a warning, I think it depends on what you do to get the warning and how bad it is and I think eventually they start to delete your answers and questions
B:illegal drugs (I believe)
How can this source best be used?
to confirm information found in a new article
I hope this helps