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
Alexander Blackwell. Alexander Blackwell, Elizabethâs second cousin, was born in 1709 in Aberdeen. His father Thomas Blackwell (1660â1728) was born in Paisley but moved to Aberdeen where, after being Professor of Divinity at Marischal College, he eventually became Principal to the University.