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53. Which map best represents the surface wind pattern around a Northern Hemisphere highpressure center?

57, The map below shows the boundary between two air masses, The arrows show the direction in which the boundary is moving.

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Vlhich weather map uses the correct weather ftont symbol to illustrate this information? (1) i

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54. What is the total number of calories required to melt 100 grams of ice at O°C to liquid water at O°C? (l) 5,400 cal (2) 8,000 cal

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(3) 54,000 cal

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(4) 80,000 cal

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55. What is the tatal arnOLL'll of energy required to melt 100 grams of ice at O°Cto liquid water at O°C? (1) 5AOO cal

(3) 54,000 cal

(2) 8,000

(4) 80,000 cal

56. People sometimes release substances into the atmosphere to increase the probability of rain by

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(3)

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(1) raising the air temperature within the clouds (2) providing condensation nuclei loweling the relati humidity within the clouds (4) increasing the energy absorbed dUring condensation and sublimation

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(4)

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April Review 2009