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 was the first woman to become a medical doctor in America. She was born in England in a time when women's career opportunities were almost entirely limited to housewife, nurse, or schoolmarm, but her parents had the radical notion that their daughters should receive the same education as their sons.