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The altitudinal difference (relief) between the top of the tallest mountain and the bottom of the deepest ocean trench is CLOSEST to ________ kilometers.
The most important physical effect of the Earth's rotation is
the alternation of sunlight and darkness
The most famous and, undoubtedly, most widely used of all the map projections is the ________ projection
The relationship between the map distance and the corresponding distance on the ground is known as the
It is thought that the Earth's climate is being changed rapidly by
human-caused releases of impurities
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