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
Elizabethâs older sister Anna was a poet, translator, and journalist who wrote for many newspapers in the United States and other countries, and her younger sister Emily also studied medicine, earning her degree a few years after Elizabeth. Henry Blackwell, one of Elizabethâs younger brothers, became an editor, journalist, and businessman and the husband of Lucy Stone, a prominent abolitionist and suffragist. After a year teaching and studying in North Carolina, Elizabeth Blackwell moved to Philadelphia, then considered the seat of medical learning in America, and applied for admission to the four medical colleges there.