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 Known worldwide as the first woman to receive her degree as a Doctor of Medicine, Elizabeth Blackwell represents a historic moment in modern medicine and women's liberation. Several years after her family immigrated to the United States, Dr. Blackwell studied privately with independent physicians, an education which culminated at Geneva Medical College in Upstate New York.