Where was the first "zero longitude" line?

a. Athens
b. Rome
c. Alexandria
d. Greenwich


ANS: B
Hipparchus divided the Earth's surface into 360 degrees and created a uniform grid system of latitude
and longitude. Alexandria, the home of Hipparchus and the great Library of Alexandria, was the
location of the first "zero longitude" line. Understanding the Ocean Began with Voyaging for Trade
and Exploration

Environmental & Atmospheric Sciences

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