In the area of a cold front,which of the following statements is TRUE? A. Cold air mass is above warm air mass. B. Warm air mass is above cold air mass. C. It is hard to tell which air mass is over the other one. D. Warm air mass is on the same level as cold air mass.

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What is the ranking of Canada in the world by land area？( )

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____ for a long time, most of the crops in this area died from lacking water.

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Which is the first step in the procedure of making down payments in the customer area?Choose the correct answer

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In the heart of Patagonia area, glaciers rise in the midst of mountain capes and alpine meadows, close enough to hike right up to and （ ）.

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The pilot is flying at FL250, ATC gives an altimeter setting of 28.92 in Hg in the area. At what pressure altitude is the pilot flying?

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