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término		definición
How did seamen sail before the invention of the tools for navigation? empezar lección		seamen followed the coastline to keep them from getting lost
what is latitude? empezar lección		the angular distance of a place north or south of the equator expressed in degrees and minutes
what is longitude empezar lección		the angular distance of a place east or west of the greenwich meridian expressed in degrees and minutes
what is the equator? empezar lección		the imigrancy circle equadistant from poles of the earth
what are parrallels of latitude? empezar lección		circles pararell to the equator running west and east
what are meridians of longitude? empezar lección		lines drawn from the North Pole to the South Pole
What is the Prime Meridian? empezar lección		the line drawn from the North pole to the South pole passes through Greenwich, England
What does GPS stand for? empezar lección		Global Positioning System

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