Topic: Ptolemy's Geography Revolutionized Map Making Because It
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When ptolemy's geography was rediscovered the map-making professi...
"A" is correct since, he attempted to improve upon what was in existence. "Maps based on scientific principles had been made since the time of Eratosthenes (3rd century BC), but Ptolemy improved projections. It is known that a world map bas... Read More »
Source: http://answers.yahoo.com/question/index?qid=20081212153307AAxtGHk