Find number abcIf 9a7a9 - c5995 = 677bb find number abc. Multiple solutions may exist.
Correct answers: 15
The first user who solved this task is Nasrin 24 T.
John DavyDied 24 Jan 1868 at age 77 (born 24 May 1790). English chemist and doctor who first prepared, named and characterised the gas phosgene. He was the younger brother of Humphry Davy. Having finished school in Penzance, in 1808, John went to London to assist his brother in the chemistry laboratory at the Royal Institution. From 1810-1814, John trained as a physician at the University of Edinburgh, during which time he discovered phosgene. He then began a career as an army doctor, including many years abroad, and eventually become inspector general of hospitals. While abroad, he observed and recorded the local culture, studied and dissected animals, and analyzed minerals. He wrote Memoirs of the Life of Sir Humphry Davy (1836) and other works on his brother's scientific career.«