The problem: Answer a question about this article:
Bacteria exhibit an extremely wide variety of metabolic types. The distribution of metabolic traits within a group of bacteria has traditionally been used to define their taxonomy, but these traits often do not correspond with modern genetic classifications. Bacterial metabolism is classified into nutritional groups on the basis of three major criteria: the kind of energy used for growth, the source of carbon, and the electron donors used for growth. An additional criterion of respiratory microorganisms are the electron acceptors used for aerobic or anaerobic respiration.
How is bacterial metabolism determined?
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The answer: nutritional groups

The problem: Answer a question about this article:
In May 2005, Carrie Underwood was announced the winner, with Bice the runner-up. Both Underwood and Bice released the coronation song "Inside Your Heaven". Underwood has since sold 65 million records worldwide, and become the most successful Idol contestant in the U.S., selling over 14 million albums copies in the U.S. and has more Underwood has won seven Grammy Awards, the most Grammys by an "American Idol" alumnus.
When was the winner declared?
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The answer: May 2005

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The German rocket center in Peenemunde was located in the eastern part of Germany, which became the Soviet zone of occupation. On Stalin's orders, the Soviet Union sent its best rocket engineers to this region to see what they could salvage for future weapons systems. The Soviet rocket engineers were led by Sergei Korolev. He had been involved in space clubs and early Soviet rocket design in the 1930s, but was arrested in 1938 during Joseph Stalin's Great Purge and imprisoned for six years in Siberia. After the war, he became the USSR's chief rocket and spacecraft engineer, essentially the Soviet counterpart to von Braun. His identity was kept a state secret throughout the Cold War, and he was identified publicly only as "the Chief Designer." In the West, his name was only officially revealed when he died in 1966.
Who led the Soviet rocket engineers
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The answer: Sergei Korolev

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The Baltic was[when?] a forgotten theatre of the Crimean War. Popularisation of events elsewhere overshadowed the significance of this theatre, which was close to Saint Petersburg, the Russian capital. In April 1854 an Anglo-French fleet entered the Baltic to attack the Russian naval base of Kronstadt and the Russian fleet stationed there. In August 1854 the combined British and French fleet returned to Kronstadt for another attempt. The outnumbered Russian Baltic Fleet confined its movements to the areas around its fortifications. At the same time, the British and French commanders Sir Charles Napier and Alexandre Ferdinand Parseval-Deschenesalthough they led the largest fleet assembled since the Napoleonic Warsconsidered the Sveaborg fortress too well-defended to engage. Thus, shelling of the Russian batteries was limited to two attempts in the summers of 1854 and 1855, and initially, the attacking fleets limited their actions to blockading Russian trade in the Gulf of Finland. Naval attacks on other ports, such as the ones in the island of Hogland in the Gulf of Finland, proved more successful. Additionally, allies conducted raids on less fortified sections of the Finnish coast. These battles are known in Finland as the Aland war.
When did the Anglo-French fleet join the Baltic attack?
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The answer:
April 1854