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.

[EX Q]: The Soave equation adds an acentric factor to this statement, and the virial equation measures deviations from this law using a compressibility factor. This law derived by Benoit Clapeyron can account for density in its "dirty mop" form, and when A and B terms are added to account for the volume and interactions between particles, it is called van der Waals equation. Containing a namesake constant that is Boltzmann's constant times Avogadro's number is, for 10 points, what law usually stated as PV equals nRT
[EX A]: Science

[EX Q]: Haldan Keffer Hartline won a Nobel Prize for his research on the electrical responses of this object in horseshoe crabs. This object contains Muller glia, which are mitotically active following damage to it. Coats disease causes the separation of this object and a cherry-red spot is found on it in children with Tay-Sachs disease. Horizontal and amacrine cells modulate communication between its cells, the inner layer of which contains ganglion cells. Composed of neural tissue, this innermost layer of the eye has a depression in its center called the macula. For 10 points, name this location of photoreceptors such as rods and cones.
[EX A]: Science

[EX Q]: One section of it quotes Berliozs Waltz of the Sylphs, and it also features a slowed down version of the can-can from Offenbachs Orphe aux Enfers. Its eleventh movement contains a pair of pianos practicing in the C, D flat, D, and E flat scales, and the xylophone is used to denote rattling bones in a section which includes part of its composers Danse Macabre and is entitled Fossils. Opening with a Royal March, its penultimate movement, a cello solo, is sometimes published separately as The Swan. FTP, identify this zoological fantasy by Camille Saint-Saens.
[EX A]:
Fine Arts