Q26 on earth among the surest indications of sunspot

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Q26: On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow , as seen in the rings visible in the cross sections of their trunks. A. On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow B. On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth C. On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles 26
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D. Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate E. Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow Answer: ------------------------------------------------------------------------------------------------------------ Q27: Mayor: Migrating shorebirds stop at our beach just to feed on horseshoe-crab eggs, a phenomenon that attracts tourists. To bring more tourists, the town council plans to undertake a beach reclamation project to double the area available to crabs for nesting. Birdwatcher: Without a high density of crabs on a beach, migrating shorebirds will go hungry because shorebirds only eat eggs that a crab happens to uncover when it is digging its own nest. Which of the following, if true, would provide the mayor with the strongest counter to the birdwatcher’s objection? ------------------------------------------------------------------------------------------------------------ Q28: In an effort to reduce the number of fires started by cigarettes, a major tobacco company is test-marketing a cigarette in which thin layers of extra paper are used to decrease the amount of oxygen entering the cigarette, thereby slowing the rate at which it burns and lowering the heat it generates. 27
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------------------------------------------------------------------------------------------------------------ Q29: Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf most of the world’s great cities.
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  • Spring '12
  • Krugers
  • d., B., c., E., polar ice melts

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