Extrinsic motivation is the desire to perform a behavior due to promised rewards or threats of punishment.
Chemistry, because constructing early forms of glass and mortar for setting bricks would require some sort of understanding. The other choices also aren’t very related, you don’t need astronomy for making glass or anatomy for making mortar.
Dan's experience demonstrates as the flying phobia or aerophobia it is classified as the fear of being on an airplane. After he hears the news about an airplane crash he experiences the anticipatory anxiety of being out of control and swamp that can prevent a person from planning to travel in air. The manifestation of this phobia can include panic attacks or vomiting. He fears to crash psychologically.
