Grid systems were used in ancient greece and china in order to answer. a) calculate elevation. b) figure out location. c) estimate altitude. d) calculate sea level.

Grid systems were used in ancient Greece and China in order to figure out location. In ancient Greece, the grid systems were used in societal and city planning. It was used to provide a unit of measurement for lots, properties, and houses. Naturally, a grid assigned to a property allows that property to have a location.

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