Closely than did farmers 40 years ago d certain pest

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Unformatted text preview: ngthens the authorities' argument? Authorities in California required drivers to use their headlights on a certain road during the daytime as well (A) Because an alternate route became available, the as at night and found that annual accident rates on the volume of traffic on the test road decreased during road fell 15 percent from the previous level. They the test period. concluded that applying the daytime rule statewide (B) Drivers were informed of the requirement to use would lead to a similar reduction in accidents. their headlights on the test road by means of a series of three conspicuous signs in each direction of travel. (C) Under certain conditions, among them fog and heavy rain, most drivers in California already use their headlights during the daytime. (D) Full-scale application of the daytime rule would cause headlight bulbs to burn out sooner than they currently do and thus to require more frequent replacement. (E) The test road was selected to include a great variety of the sorts of road conditions that drivers in California are likely to encounter. 147 It has long been known that during an El Nino, two 2. According to the passage, which of the following conditions exist: (1) unusually warm water extends features is characteristic of an El Nino? along the eastern Pacific, principally along the coasts of (A) Cold coastal water near Peru Ecuador and Peru, and (2) winds blow from the west into (B) Winds blowing from the west the warmer air rising over the warm water in the east. (C) Random occurrence These winds tend to create a feedback mechanism b y (D) Worldwide effects driving the warmer surface water into a "pile" that blocks (E) Short duration the normal upwelling of deeper, cold water in the east and further warms the eastern water, thus strengthening the F or the following question, consider each of the wind still more. The contribution of the recent model is to choices separately and select all that apply show that the winds of an El Nino, which raise sea level in 3. It can be inferred f rom the passage that which of the cast, simultaneously send a signal to the west lowering the following would result fairly immediately from sea level. According to the model, that signal is generated the cessation of the winds of an El Nino? as a negative Rossby wave, a wave of depressed, or negative, sea level, that moves westward parallel to the A Negative Rossby waves would cease to be equator at 25 to 85 kilometers per day. generated in the eastern Pacific. (158 words) B The sea level in the eastern Pacific would fall. C The surface water in the eastern Pacific would again be cooled by being mixed with deep water. 148 In a recent study, David Cressy examines two central 4. According to the passage, Cressy would agree with questions concerning English immigration to New England which of the following statements about the orga - in the 1630's: what kinds of people immigrated and why? nizers among the English immigrants to New Cressy finds t...
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This document was uploaded on 09/16/2013.

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