Colby knows he has some studying to do, but as soon as he sits down to work, he decides to catch up on his e-mail rather than work. Two hours later, when a friend asks if he wants to go out for a drink, he agrees, since he has already blown much of the afternoon. Colby's study plans have been derailed by

The correct answer is Counterregulation

Explanation: Counterregulation  hormones (glucagon, epinephrine and adrenaline) are responsible for the balance of glucose concentration.

Insulin is the body's main anabolic hormone. The main insulin-regulating hormone Glucagon.

probably 3 since archeologists and historians don’t understand there writing.

answer; ///he could not explain why the continents drifted;