Plants take in the CO2 and use it in their photosynthesis process and in turn give off oxygen.   A: The Carbon Dioxide-Oxygen Cycle is a continuously occurring process whereby animals inhale Oxygen and then exhale Carbon Dioxide, and plants use the CO2 and exhale O2.
Elizabeth Blackwell was the first woman to graduate from medical school (M.D.) and a pioneer in educating women in medicine. Dates: February 3, 1821 - May 31, 1910. Early Life. Born in England, Elizabeth Blackwell was educated in her early years by private tutor. Samuel Blackwell, her father, moved the family to the United States in 1832.
It wasnât an interest in science or anatomy that motivated Elizabeth Blackwell (1821â1910) to become the first woman in America to earn a medical degree; it was a dying friendâs plaint that she would have fared better if sheâd had a âlady doctor.â