Who made a significant,early contribution to cartography by adding a grid and orienting the map with north at the top? When was this accomplished?
A)Pythagoras-in the sixth century BC.
B)Sir Isaac Newton-in the seventeenth century AD.
C)Magellan-in the sixteenth century AD.
D)Ptolemy-in the second century AD.

Question

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Ptolemy made a significant contribution to cartography by adding a grid and orienting the map with north at the top in the second century AD.

Who Made a Significant,early Contribution to Cartography by Adding a Grid