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]: Seas of calcite predominate during times of low concentration of this element. The NIMS probe discovered that Ganymede has a sulfate of this element, which is also used to treat eclampsia. Its molten form is used to make metallic titanium in the Kroll process. The active site of rubisco contains a carbamylated lysine attached to an ion of this element. Its cationic form is used to stabilize the product of PCR, and it is also prevalent in certain reagents in a Schlenck equilibrium. It is found in Grignard reagents as well as coordinated to the porphyrin ring of chlorophyll. For 10 points, name this element with atomic number 12 and symbol Mg.
[A]: Science


[Q]: composed a set of works dedicated to Grand Duke Paul of Russia that includes pieces such as "The Birds" and "How Do You Do" and one finale contains various pauses to confuse the audience, titled "The Joke. " One of his works contains the "Ewiger, machtiger Gott" chorus towards the end of its "Spring" movement. Another set of his works are occaisonally named for his collaborator Johann Salomon, including one whose second movement contains an 8-note accompaniment by the bassoons that imitates the ticking of the title device, and another which derives its name from the loud G chord in its sixteenth measure. For 10 points, identify this composer of the Clock and Surprise symphonies.
[A]: Fine Arts


[Q]: One of this author's short stories centers on a young student hiking in the title peninsula who is taken aback, then relieved, when he sees a young girl running naked from a bathhouse. This author described a man who falls in love with a woman's earlobe in "Her Husband Didn't," which appears in his short story collection First Snow on Fuji. This author wrote about the schoolteacher Gimpei Momei in The Lake, and about Eguchi, who spends the night with narcotized young women, in The House of the Sleeping Beauties. Another of his novels chronicles the relationship between the geisha Komako and Shimamura. For 10 points, name this Japanese author of The Master of Go and Snow Country.
[A]:
Literature