Based on this excerpt, what is the meaning of the word inscrutable?

Review questions what were the four stated goals of operation reinhard and how were these implemented? how did treblinka, sobibor, and belzec differ from other concentration camps built earlier? how did the nazi party maintain secrecy regarding the final solution? why was the madagascar plan not used? why were some individuals, including wwi veterans, to be spared the final solution?

Diego rivera was a famous artist from mexico. most of his paintings were murals. murals are paintings that are made directly on a wall. rivera thought that all people should be able to see beautiful art, not just people who could afford to go to museums. this is why he painted most of his murals on the walls of public buildings

Laura is writing a report about the natural resources of mississippi. she will collect information about the natural resources from many different sources. one will be a multimedia encyclopedia. when she searches for information in a multimedia encyclopedia, she finds four results. three of the results will laura, but one will not her. which of these articles will not laura write her report? a) "the oil of mississippi" b) "the timber of mississippi" c) "the politics of mississippi" d) "the natural gas of mississippi"