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]: Erwin Finlay-Freundlich proposed one explanation for this phenomenon that claimed its strength should be proportional to the radiation density. A version of this phenomenon in the CMB is known as the Sachs-Wolfe effect, while the quantity that describes the strength of this effect has a value of about 1100 for the surface of last scattering. One version of this effect was measured using the Mossbauer effect in an experiment by Pound and Rebka, and the magnitude of this effect is usually denoted "z. " For 10 points, name this phenomenon, which can be caused by gravity or the Doppler effect, in which the wavelength of an object's light appears longer to an observer.
[A]: Science


[Q]: One incident during this conflict saw Redvers H. Buller ordering troops into regions such as Colenso and the Stormberge mountains, only to see them soundly whipped in a period referred to as "Black Week. " After Bullers' replacement by Frederick S. Roberts, one side began a string of military victories which culminated in the defeat of Piet Cronje. A precipitating event of this conflict included the actions of Leander Jameson, while another issue of tension revolved around the discovery of gold in the Witwatersrand region. The wrap up to this war saw Horatio Kitchener setting up concentration camps while fending off guerrilla attacks led by men like Jan Botha and Jan Christiaan Smuts. For 10 points, identify this conflict that lasted from 1899 to 1902 that pitted the British against the Dutch-descended Afrikaners in what is now South Africa.
[A]: History


[Q]: Its significance was identified in 1972 by Kerr, Wylie, and Currie. Affecting scattered single cells, features include the disintegration of cell junctions, cytoplasmic condensation, and fragmentation of the nucleus. A mutation in gene p53 stops this process which cells in the uterine wall undergo monthly. For ten points, name this alternative to necrosis, a programmed form of cell death.
[A]:
Science