What did Alexander Fleming discover?

What did Alexander Fleming discover? Alexander Fleming was a Scottish physician-scientist who was recognised for discovering penicillin. What did Alexander Fleming find that prevented the growth of bacteria? Penicillin discovered Often described as a careless lab technician, Fleming returned from a two-week vacation to find that a mold had developed on an accidentally contaminated staphylococcus […]

Which country is a unitary state?

Which country is a unitary state? …all the world’s nation-states are unitary systems, including Bulgaria, France, Great Britain, the Netherlands,…… In most older European and English-speaking democracies, political authority inheres in the central government,…… …said to possess either a unitary or a federal system (see also federalism). Why are some countries governed as unitary states? […]

What was the source of mercury in Minamata?

What was the source of mercury in Minamata? Minamata disease was first discovered in the city of Minamata, Kumamoto Prefecture, Japan, in 1956. It was caused by the release of methylmercury in the industrial wastewater from a chemical factory owned by the Chisso Corporation, which continued from 1932 to 1968. How did the human exposure […]

How did the Soviet Union suddenly disintegrate?

How did the Soviet Union suddenly disintegrate? Reasons for disintegration: i) Internal weakness of Soviet political and economical institutions. ii) Soviet Union used much of its resources in maintaining Nuclear and military arsenals. vi) The Soviet Union had became stagnant in administrative and political sense. When did the Soviet Union dissolve as a political entity? […]

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