[Q]: Mike is an an archeologist. He was pondering about how human legacy would be viewed in the future. For that, he was very interested in technofossils. He located a site with ample evidence of technofossils. He noted that site as site A. To compare site A with a site with no technofossils he located another site. He noted that site as site B. Given the paragraph above, please answer correctly the following question: Which site would reflect less erosion due to human activities, site A or site B?
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[A]: site B

[Q]: Two neighboring countries with similar economies, followed different political and economical agendas. Niger developed its infrastructure and communications technology, while Nigeria didn't. Given the paragraph above, please answer correctly the following question: Which country experiences shorter commuting times?
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[A]: Niger

[Q]: Bill is working in a sound studio recording sound effects for a short film that he is working on. Some of the sounds he captured have a very high frequency and others are very low frequency. When he is done he begins to edit the sound with a computer program. Given the paragraph above, please answer correctly the following question: If Bill edited one sound to have a higher frequency did its wavelength become longer or shorter?
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[A]: shorter

[Q]: The southern province was exposed to intensive grazing for many years , and now soil quality is poor and dust storms are present. The northern province has more fertile soil, more trees. Given the paragraph above, please answer correctly the following question: Which province experiences less soil erosion?
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[A]:
northern