This is a Biplane by defition
Answer:The Great Wall of China was built to protect China from its enemies and invaders from the North
Explanation: I hope this was helpful! <3
Developed countries are experiencing <u>negative</u> population growth.
The correct answer is vicarious conditioning.
Vicarious conditioning refers to the phenomenon wherein individuals learn responses, attitudes and beliefs about something or someone (a stimulus), not through direct experience with a stimulus, but, rather through observing someone else's reaction to a stimulus. In this instance, Jackson "learned" to fear diving boards and deep swimming pools through observing his sister's traumatic experience with them.
