Question

last question! how long can the effects of a concussion last? keep it up! you need 80 points to pass. youre almost there. two or three days. it depends on how long the athlete was unconscious. two or three weeks. it depends on the individual brains ability to heal.

Explanation:

The effects of a concussion can vary greatly among individuals based on factors like the severity of the injury and the brain's own healing - capacity. It's not just determined by the length of unconsciousness or a fixed time - frame like a few days or weeks.

Answer:

It depends on the individual brain's ability to heal.