Causes and effects of desertification: Desertification is defined as a process of land degradation in arid, semi-arid and sub-humid areas due to various factors including climatic variations and human activities. Or, to put it in another way, desertification results in persistent degradation of dryland and fragile ecosystems due to man
Elizabeth Blackwell (3 February 1821 â 31 May 1910) was a British-born physician, notable as the first woman to receive a medical degree in the United States, as well as the first woman on the UK Medical Register.
Elizabeth Blackwell was born in Bristol, England and spent her early years living in a house on Wilson Street, off Portland Square, St Pauls. She was the third of nine children born to sugar refiner Samuel Blackwell and his wife, Hannah (nÃ©e Lane).