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SemanticMantis 19:59, 1 December 2015 (UTC) As discussed, we don't know whether there was one abiogenesis event or multiple. However we don't need to know this to trace the evolutionary history of life back to a last universal common ancestor. --71.119.131.184 20:47, 1 December 2015 (UTC)
The latest global analysis of temperature data from NOAA shows that the first half of 2015 was the hottest such period on record, at 0.85 °C (1.53 °F) above the 20th century average, surpassing the previous record set in 2010 by 0.09 °C (0.16 °F). The Earth also experienced its hottest ever June.
The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature.
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In June 2015, the exam was changed to AP World History: Modern. [1] The new exam only includes material from 1250 C.E. onwards. Students first took the new course in the 2019–20 school year. The College Board announced the development of AP World History: Ancient, which focuses exclusively on earlier periods, including prehistory. [2]
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This page was last edited on 21 January 2023, at 23:20 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Welcome to the Wikipedia Science Reference Desk Archives; The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.