Q26 according to the passage gurney refined the use

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Q26: According to the passage, Gurney refined the use of ilmenites in prospecting for diamonds in which of the following ways? A. He found that ilmenites are brought up from the mantle by kimberlite pipes and erode out into the surrounding land in greater quantities than diamonds. B. He found that since ilmenites do not form in the diamond-stability field, their presence indicates the absence of diamonds. C. He showed that highly oxidized iron content in ilmenites indicates a low survival rate for diamonds. D. He found that when the iron in ilmenites is highly oxidized, conditions in the magma were probably conducive to the formation of diamonds. E. He showed that ilmenites take on more or less oxygen in the kimberlite pipe depending on the concentration of diamonds. Answer: ----------------------------------------------------------------------------------------------------------- - 26
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Q27: The results of two recent unrelated studies support the idea that dolphins may share certain cognitive abilities with humans and great apes; the studies indicate dolphins as capable of recognizing themselves in mirrors—an ability that is often considered a sign of self-awareness—and to grasp spontaneously the mood or intention of humans. ----------------------------------------------------------------------------------------------------------- - Q28: Which of the following most logically completes the argument below? According to promotional material published by the city of Springfield, more tourists stay in hotels in Springfield than stay in the neighboring city of Harristown. A brochure from the largest hotel in Harristown claims that more tourists stay in that hotel than stay in the Royal Arms Hotel in Springfield. If both of these sources are accurate, however, the county’s “Report on Tourism” must be in error in indicating that _______. ----------------------------------------------------------------------------------------------------------- -
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