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]: Ninhydrin forms a Schiff base with this chemical, resulting in a hue known as Ruhemanns purple. The Birch reduction takes place in a liquid substrate of it, the reason it is common in methamphetamine labs. The Kjeldahl method uses this molecule as an end-product to measure the amount of nitrogen in a sample, and it is oxidized in the first step of a nitric acid forming procedure, the Ostwald process. For 10 points, name this weak base found in fertilizers, formed by combining hydrogen and nitrogen in a three-to-one ratio in the Haber process.
[A]: Science


[Q]: A definitive study on this engagement was authored by Hugh Cole, who devotes a section to discussing the Losheim Gap. It also stresses the importance of the oft-overlooked Operation Bodenplatte carried out on a holiday and alternately known as Operation Hermann. The clash saw the murder of the Wereth 11, a group of waylaid black soldiers, and courageous stands at St. Vith and Bastogne, which turned the fight and made up for failure to garner intelligence through ULTRA. Anthony McAuliffe became famous for his reply of "Nuts" and Patton for his diary statement that it was "lovely weather for killing Germans. " FTP, name this final German offensive of World War II also known as the Battle of the Ardennes.
[A]: History


[Q]: The basin of this body of water is home to the Great Barsuki Desert to the northwest and the islands Barsa Kilmess and Nicholas I, while the city of Muynoq is located on its southern shore. One of the world's largest areas for anthrax deposits, Kantubek, is located on this body of water, and is a town on its Vozrozhdeniya Island. The subject of the Kokaral Dike public works project, it is bordered by the provinces of Aktobe, Kyzylorda, and Karakalpakstan. Located northwest of the Kyzyl Kum desert, it is fed by the Amu Darya and Syr Darya Rivers, and the Karakum Canal is thought to be a possible cause for this body of water's severe problems. For 10 points, name this body of water located between Uzbekistan and Kazakhstan, a central Asian lake which has undergone massive shrinkage.
[A]:
Social Science