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 in America to be awarded a medical degree. She pioneered the education of women in medicine, opening her own medical college for women. She was the first woman to be admitted to the British Medical Register, enabling her to practice medicine in the UK as well as in the USA.