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]: These objects contain the zone of plastic flow and the zone of brittle flow. They are formed by compressing firn, and parts of them break off by calving. Till is soil left behind by these objects, which also push material to form moraines. Cirques (SERKS) and fjords (FYORDS) are among the landforms due to erosion by these objects. For 10 points, name these moving masses of land ice.
[EX A]: Science

[EX Q]: One of his attendants was represented by an oxen, and another was the god of water, and represented by a snake. Vohu Manah and Haurvatat, together with Asha, Kshathra, Armaiti, and Ameretat, were called the Amesha Spentas, who opposed the Daevas. His father, Zurvan, was a deity of space, time, and fate, and his son, Atar, battled a dragon, Azhi Dahaka, that cut Zima in half with a saw. Called Ormazdh in the religion's contemporary form, it was Vohu Manah who appeared to a certain prophet near the Daitya River, invited him to come to heaven, and inspired him to compose the Gathas, part of the Avesta. FTP, name this god, the counterpart of Ahriman, the embodiment of good, and the supreme deity in Zoroastrianism.
[EX A]: Social Science

[EX Q]: A namesake protein component of this structure is detected by Toll-like Receptor 5. Tg737, whose mutation causes polycystic kidney disease in mice, is responsible for transport within this structure, which is also dependent upon complexes of IFT proteins. Y. Pestis uses a structure homologous to these to inject virulence factors into host cytoplasm, known as the Type III secretory system. They have a P, L, and MS ring in gram-negative bacteria, and in all organisms their central body is called the axonene. In Eukaryotes, they contain a 9+2 set of microtubules around a central pair and use dyenin and ATP hydrolysis to power their whipping motion. Similar to cilia, for 10 points, name these projections used by cells to swim.
[EX A]:
Science