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.

A hypothetical method of decay for these particles involves breaking into a positron and a neutral pion and would have a half-life on the order of 10 to the 35 years. In astronomy, these particles are employed in a namesake chain located in the cores of stars in order to synthesis lighter elements. Particles of this type are typically composed of two up quarks and a single down quark and these particles make up about 90% of all cosmic rays. Discovered by Ernest Rutherford, for 10 points, identify this subatomic particles that contributes the positive charge of an atoms nucleus.
Science

J. Gwyn Griffiths argued out that the title of this work is derived from Diodorus Siculus Bibliotheca Historia though Johnstone Parr pointed out that Raleighs History of the World may have also been a possible source. The speaker of most of the poem commends an artist for having well those passions read and creating a figure with [a] frown and wrinkled lip and sneer of cold command. For 10 points, identify this poem whose titular king of kings commands the narrator to Look on my works, ye Mighty, and despair!, a sonnet about Ramses the Great by Percy Shelley.
Literature

This artist depicted two men in baseball uniforms and two men in overalls outside a store in a work entitled This is America, Keep it Free. This artist also depicted poor residents in the collections Mormon Villages and The Irish Countryman, and showed several children performing the titular action of Pledge of allegiance at Rafael Weill Elementary School. This person showed several people with their luggage awaiting a bus in a photograph that formed part of the collection Interrupted Lives, which depicts what this person termed The (*) Japanese American Exodus. This photographer's most well-known work depicts two children with their heads on the shoulders of a dusty, distracted woman. For ten points, identify this woman who photographed a titular Migrant Mother, a Depression Era photographer.

Literature