In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Q: It exists because of electron degeneracy pressure; as electrons are compressed closer together, more exist per unit volume and must take on higher energy levels as mandated by the Pauli-exclusion principle. A relativistic state equation can be used to calculate it as the radius of a white dwarf decreases with an increase in its mass. Developed shortly before its namesakes theory on black holes, for ten points, name this value of about 1.4 solar masses, the maximum mass of a star which can be supported against gravitational collapse.

A: Science
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Q: Lawrence Kohlberg championed the "descriptive" variety of this study by examining the stages of child development. Simone de Beauvoir argued for "an original solution" in a book titled this of Ambiguity. Peter Singer wrote about the "Practical" form of it, and Aristotle claimed the ultimate goal in life is to achieve (*) happiness in a work titled after this concept. Another important book for this discipline contained sections titled "Of God" and "Of Human Bondage", and was "demonstrated in geometrical order." For ten points, identify this branch of philosophy, a tract in which was written for Nicomachus and which titles a work by Spinoza.

A: Social Science
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Q: The land ruled by this deity contained a cave inhabited by dangerous women who sought out unfaithful lovers and a boiling spring home to a worm called the cuiluhuexi [kwi-lu-HYU-shi]. One ritual dedicated to this god involved the killing and eating of amaranth-paste idols, and his titles include "Ninth Lord of the Night". This god served as the third of the five suns, while his sister was the salt goddess Huixtocihuatl [hwi-shto-ki-HWA-tl]. After Tezcatlipoca abducted his first wife, Xochiquetzal [sho-chi-KET-zal], he fathered Tecciztecatl [tek-kiz-te-CAHT-l] with Chalchiuhtlicue [chal-chi-OO-tli-kyu]. For 10 points, identify this deity who governed the souls of the drowned and who demanded child sacrifices, the Aztec god of rain.

A:
Social Science
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