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Citations E. Wayman. Oxygen boost aided car...ion in Cambrian explosion. Science News. Vol. 184, September 7, 2013, p. 12. Further Reading C. Lee. Deep mantle roots and ...nd the Cambrian explosion. American Geophysical Union annual fall meeting, San Francisco, December 15, 2016. T. Sumner. New fascination with Earth's 'Boring Billion.’ Science News. Vol. 188, November 14, 2015, p. 18. S. Milius. Biology’s big bang had a long fuse. Science News. Vol. 180, December 31, 2011, p. 12. WATER WORLD The continents rose above sea level only a few hundred million years ago, a new proposal states. Before that time, Earth’s surface was mostly covered by water. T. Sumner. Earth’s mantle is cooling faster than expected. Science News Online, December 14, 2016. Tfioreze/Wikimedia Commons (CC BY-SA 3.0) cheap jordans cheap jordans cheap jordans cheap jordans cheap jordans cheap jordans cheap jordans cheap jordans http://airesearch.com/...63588.msg263827#msg263827 https://www.harphomese.../component/blog/blog.html http://www.regards-publicite.com/ |