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
Blackwellâs famous relatives included brother Henry, a well-known abolitionist and womenâs suffrage supporter who married womenâs rights activist Lucy Stone; Emily Blackwell, who followed her sister into medicine; and sister-in-law Antoinette Brown Blackwell, the first ordained female minister in a mainstream Protestant denomination.