Replace bad behaviors with things similar, different tho :D
Answer: Question a is correct
The possible condition that she may be experiencing would be:
Angina Pectoris
<span>This is a medical term for chest pain or the coronary heart disease, it happens when there is not enough blood received in the heart muscle. The symptoms that you would typically experience with Angina would be the pain at the center of the chest or uncomfortable pressure. </span>
Answer:
The above pic may help u :)
Sleep well,pick a right study environment,bring the right things such as snacks and supplies,take breaks because the mind does better when you take a break