[Q]: I know that the answer to the question "What is a trade-off with resonant antennas?" is in "Resonant antennas are expected to be used around a particular resonant frequency; an antenna must therefore be built or ordered to match the frequency range of the intended application. A particular antenna design will present a particular feedpoint impedance. While this may affect the choice of an antenna, an antenna's impedance can also be adapted to the desired impedance level of a system using a matching network while maintaining the other characteristics (except for a possible loss of efficiency).". Can you tell me what it is?
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[A]: While this may affect the choice of an antenna, an antenna's impedance can also be adapted to the desired impedance level of a system using a matching network while maintaining the other characteristics (except for a possible loss of efficiency)

[Q]: I know that the answer to the question "How young is the youngest person in the key demographic?" is in "The show pushed Fox to become the number one U.S. TV network amongst adults 1849, the key demographic coveted by advertisers, for an unprecedented eight consecutive years by 2012. Its success also helped lift the ratings of other shows that were scheduled around it such as House and Bones, and Idol, for years, had become Fox's strongest platform primetime television program for promoting eventual hit shows of the 2010s (of the same network) such as Glee and New Girl. The show, its creator Simon Fuller claimed, "saved Fox".". Can you tell me what it is?
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[A]: 18

[Q]: I know that the answer to the question "How would Cotler's role as Canadian Minister of Justice be described?" is in "Alan Dershowitz described Sudan as an example of a government that "actually deserve(s)" the appellation "apartheid." Former Canadian Minister of Justice Irwin Cotler echoed the accusation.". Can you tell me what it is?
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[A]: Former

[Q]: I know that the answer to the question "what is the first type of economic resource mentioned?" is in "The economy is a mixture of village agriculture and handicrafts, an industrial sector based largely on petroleum, support services, and a government characterized by budget problems and overstaffing. Petroleum extraction has supplanted forestry as the mainstay of the economy. In 2008, oil sector accounted for 65% of the GDP, 85% of government revenue, and 92% of exports. The country also has large untapped mineral wealth.". Can you tell me what it is?
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[A]:
village agriculture