Which of the following is an example of an externality: a) A long line of people at an afternoon matinee at the movie theater. b) A flood wipes out a farmer's entire corn crop. c) A student sells his/her economics textbook after failing the class. d) A student voluntarily asks a question during class.

- "sack of constantinople, (april 1204). the diversion of the fourth crusade from the holy land to attack, capture, and pillage the byzantine city of constantinople divided and dissipated the efforts of the christians to maintain the war against the muslims. the fourth crusade was corrupted from its purpose early on."

- "the crusades were a series of religious wars undertaken by the latin church. the first crusade arose after a call to arms in 1095 sermons by pope urban ii. the first crusade unleashed a wave of impassioned, pious catholic fury, which was of constantinople, the capital of the christian-controlled byzantine empire."

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answer; sensory craving;

answer family is the most important institution;

the following are the list of answers for the topic "the shower":

unconditioned stimulus - hot water

unconditioned response - pain

neural stimulus that becomes the conditioned stimulus - toilet flushing

conditioned response - leaping out of the shower after flush or jumping out odf the shower