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15 godz. temu · Winston Churchill. Sir Winston Leonard Spencer Churchill [a] (30 November 1874 – 24 January 1965) was a British statesman, soldier, and writer who was twice Prime Minister of the United Kingdom, from 1940 to 1945 during the Second World War, and 1951 to 1955. Apart from 1922-24, he was a Member of Parliament (MP) from 1900 to 1964 and ...
15 godz. temu · Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula N H 3.A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell. Biologically, it is a common nitrogenous waste, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to fertilisers.
