In 1952, chemists Harold Urey and Stanley miller mixed ammonia, methane, and hydrogen in a closed container, zapped it with electrical sparks, and found that they had created many amino acids.
What are Amino Acids?
Organic substances known as amino acids have both amino and carboxylic acid functional groups. Although there are hundreds of different amino acids in nature, proteins, which are made up of alpha-amino acids, are by far the most common.
According to the positions of the primary structural functional groups, amino acids can be categorized.
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Cuban leader Fidel Castro responded to the fall of the Soviet Union by
trying to develop tourism to support the devastated economy of his
country. A goal was set to attract over 2 million tourists to Cuba by
the year 2000, which it was hoped would bring in more than 2600 million
dollars.
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His strategy Blitzkreig.
Literally meaning a lightening war, Hitler used this strategy in Poland. It was based on a co-ordinated rapid attack spearheaded by tanks and infantry along with an aerial attack by the Luftwaffe.
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According to political scientist Brian R. Dirck, the most famous executive order was by President Abraham Lincoln, when he issued the Emancipation Proclamation on January 1, 1863: The Emancipation Proclamation was an executive order, itself a rather unusual thing in those days.
Answer:The Spanish Civil War (1936–39) was the bloodiest conflict western Europe had experienced since the end of World War I in 1918. It was the breeding ground for mass atrocities. About 200,000 people died as the result of systematic killings, mob violence, torture, or other brutalities.
Explanation:
