Gabe got stuck in an elevator in a high-rise office building one morning. now he refuses to enter an elevator. if "entering an elevator" is the operant, what type of consequence has altered gabe's behavior?

This is the mountain range known as the alps. which of these statements regarding the alps is true? a) the alps are the largest mountain range in asia. b) the alps protect the roman empire from invasion. c) the alps were key in preventing england from being conquered in warfare. d) the alps prevented the roman empire from taking control of most of europe.