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 on This Site. 1  Miss Elizabeth Blackwell, M.D. An 1868 biography of Blackwell by Rev. H. B. Elliott. 2  Elizabeth Blackwell Quotes. 3  Woman Suffrage and the Professions. An anti-suffragist discusses Elizabeth Blackwell's relationship to Lucy Stone and to the woman suffrage movement.