The global carbon cycle is now usually divided into the following major reservoirs of carbon interconnected by pathways of exchange: 1  The atmosphere. 2  The terrestrial biosphere. 3  The oceans, including dissolved inorganic carbon and living and non-living marine biota.
Elizabeth Blackwell: First Woman M.D. (Barnard Biography Series, Vol. 2) Mar 1, 1997
-Elizabeth Blackwell First American female physician (1849)-In 1860, 200 physicians in U.S. were women -In 2008, 30% of U.S. physicians women Women received 48% of medical degrees awarded in 2010