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單項選擇題

The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.

A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle

單項選擇題

The distance between any two meridians measured along a parallel of latitude （）.

A.increases in north latitude and decreases in south latitude
B.decreases as DLO increases
C.increases with increased latitude
D.decreases with increased latitude