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Of a black hole lying at the milky ways center and e

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of a black hole lying at the Milky Way’s center and E. of a black hole that lies at the center of the Milky Way and of answer: ------------------------------------------------------------------------------------------------------- Q37 Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers of different temperatures and densities. A. prevented from dissipating its acoustic energy as a result of B. prevented from having its acoustic energy dissipated by C. its acoustic energy prevented from dissipating by D. its acoustic energy prevented from being dissipated as a result of E preventing its acoustic energy from dissipating by answer: ------------------------------------------------------------------------------------------------------- Q38 Finally reaching a decision on an issue that has long been politically charged in the Pacific Northwest, politicians decided to postpone by at least five years an ambitious plan to protect wild salmon and other endangered fish, instead of which they proposed a series of smaller steps, by which they intend to protect the fish. A. politicians decided to postpone by at least five years an ambitious plan to protect wild salmon and other endangered fish, instead of which they proposed a series of smaller steps, by which they intend B. politicians decided to postpone by at least five years an ambitious plan to protect wild salmon and other endangered fish, proposing instead a series of smaller steps intended. C. politicians decided to postpone by at least five years an ambitious plan for protecting wild salmon and other endangered fish, and instead they proposed a series of smaller steps, intending. D. an ambitious plan to protect wild salmon and other endangered fish was postponed by politicians, who instead proposed a series of smaller steps, intending. E. an ambitious plan to protect wild salmon and other endangered fish has been postponed by politicians, proposing instead a series of smaller steps intended. Answer: ------------------------------------------------------------------------------------------------------- Q39
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Yeasts capable of leavening bread are widespread, and in the many centuries during which the ancient Egyptians made only unleavened bread, such yeasts must frequently have been mixed into bread doughs accidentally. The Egyptians, however, did not discover leavened bread until about 3000 B. C. That discovery roughly coincided with the introduction of a wheat variety that was preferable to previous varieties because its edible kernel could be removed from the husk without first toasting the grain. Which of the following, if true, provides the strongest evidence that the two developments were causally related? A. Even after the ancient Egyptians discovered leavened bread and the techniques for reliably producing it were well known, unleavened bread continued to be widely consumed. B. Only when the Egyptians stopped the practice grain were their stone- lined grain-toasting pits available for baking bread.
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