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.
What did Elizabeth Blackwell do? Elizabeth Blackwell was the first female physician (doctor). There is a junior high school named after her in Queens, New York. She was born on the 3rd of February 1821 and diâ¦ed on the 31st of May 1910. (to year) if she was still alive she would be 189 years old.