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
Early life and childhood. Elizabeth Blackwell was born on February 3, 1821, in Bristol, England to Samuel and Hannah Blackwell. Because Samuel Blackwell was a dissenter (one who refuses to accept the authority of an established church), the Blackwell children were denied public schooling.