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Across 2. pictures of land surface based on computer data collected from satellites 7. key that explains what the symbols on a map represents 11. the line that makes a half circle from the North Pole to the South Pole and that passes through Greenwich, England 12. a feature of topography formed by the processes that shape Earth’s surface 14. map that is highly accurate for small areas, made by projecting points and lines from a globe onto a cone 15. converting information to numbers for use by a computer 16. an imaginary line that circles Earth halfway between the North and South poles 17. a line on a topographic map that connects points of equal elevation

Down 1. a method of finding latitude and longitude using a network of satellites 3. height above sea level 4. a map that shows the surface features of an area 5. the distance in degrees east or west of the prime meridian 6. the shape of the land determined by elevation, relief, and landforms 8. ratio between the distance shown on a map and the actual distances on Earth’s surface 9. the difference in elevation between the highest and lowest parts of an area 10. the distance in degrees north or south of the equator 13. a landform with high elevation and high relief