Chan drinks four cups of coffee each day. One day, Chan skips the two cups he usually has in the morning, and he gets a terrible headache and finds he cannot concentrate. MOST specifically, Chan may be experiencing . Select one: a. addiction b. abuse c. tolerance d. withdrawal

Withdrawal

Explanation:

Chan is experiencing withdrawal. Since he drinks 4 cups of coffee each day, the terrible headache he has that stopped him from concentrating is the Physical and mental symptoms that occur when someone stops or limits his intake of a substance that has become a habit, in this case coffee.

Because taking coffee is already a habit, he had this headache without it because his brain has become used to it and now missing it causes a rush of adrenaline by the brain.

answer; (b) ; /stronger bonds between the nations of africa