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Since life began on Earth, five major mass extinctions and several minor events have led to large and sudden drops in biodiversity. The Phanerozoic eon (the last 540 million years) marked a rapid growth in biodiversity via the Cambrian explosiona period during which the majority of multicellular phyla first appeared. The next 400 million years included repeated, massive biodiversity losses classified as mass extinction events. In the Carboniferous, rainforest collapse led to a great loss of plant and animal life. The PermianTriassic extinction event, 251 million years ago, was the worst; vertebrate recovery took 30 million years. The most recent, the CretaceousPaleogene extinction event, occurred 65 million years ago and has often attracted more attention than others because it resulted in the extinction of the dinosaurs.
When was the period where the majority of biodiversity appeared?
A: unanswerable

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The Roman Missal and the Roman Rite Liturgy of the Hours naturally includes references to Mary's immaculate conception in the feast of the Immaculate Conception. An example is the antiphon that begins: "Tota pulchra es, Maria, et macula originalis non est in te" (You are all beautiful, Mary, and the original stain [of sin] is not in you. Your clothing is white as snow, and your face is like the sun. You are all beautiful, Mary, and the original stain [of sin] is not in you. You are the glory of Jerusalem, you are the joy of Israel, you give honour to our people. You are all beautiful, Mary.) On the basis of the original Gregorian chant music, polyphonic settings have been composed by Anton Bruckner, Pablo Casals, Maurice Durufle, Grzegorz Gerwazy Gorczycki, no:Ola Gjeilo, Jose Mauricio Nunes Garcia, and Nikolaus Schapfl,
who is purified from original sin by Jesus?
A: unanswerable

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Since the 1980s, as the complexity of buildings began to increase (in terms of structural systems, services, energy and technologies), the field of architecture became multi-disciplinary with specializations for each project type, technological expertise or project delivery methods. In addition, there has been an increased separation of the 'design' architect [Notes 1] from the 'project' architect who ensures that the project meets the required standards and deals with matters of liability.[Notes 2] The preparatory processes for the design of any large building have become increasingly complicated, and require preliminary studies of such matters as durability, sustainability, quality, money, and compliance with local laws. A large structure can no longer be the design of one person but must be the work of many. Modernism and Postmodernism have been criticised by some members of the architectural profession who feel that successful architecture is not a personal, philosophical, or aesthetic pursuit by individualists; rather it has to consider everyday needs of people and use technology to create liveable environments, with the design process being informed by studies of behavioral, environmental, and social sciences.
When did complexity of buildings began to decrease?
A: unanswerable

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The England national football team represents England and the Crown Dependencies of Jersey, Guernsey and the Isle of Man for football matches as part of FIFA-authorised events, and is controlled by The Football Association, the governing body for football in England. England are one of the two oldest national teams in football; alongside Scotland, whom they played in the world's first international football match in 1872. England's home ground is Wembley Stadium, London, and the current team manager is Roy Hodgson.
In what year did Roy Hodgson become the team manager of England's football team?
A:
unanswerable