How many longitudinal lines encircle the Globe?
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Answer: D. 360
Explanation
Geographic coordinate systems use imaginary lines to map locations across the surface of the Earth. Lines of longitude run vertically from the North Pole down to the South Pole. A full geometric circle comprises three hundred sixty degrees, matching the total number of longitudinal lines. Longitude measures angular distance east or west of the Prime Meridian located in Greenwich. Lines of latitude run horizontally parallel to the equator from zero to ninety degrees. Cartographers divide the globe into three hundred sixty degrees of longitude for navigation.
Global navigation systems use longitude and latitude coordinates to pinpoint exact locations on maps. Time zones are established by dividing the three hundred sixty longitudinal degrees into twenty-four hourly segments. Geographers study coordinate grids to analyze spatial distributions and planetary mapping data. Ninety represents the maximum degree limit for latitude lines measured from the equator to poles. One hundred eighty corresponds to the maximum degree limit for longitude east or west of the prime meridian. Two hundred seventy is an arbitrary angle that does not represent the full circle of longitude.
- Subject
- Everyday Science
- Category
- Everyday Science
- Topic
- —
- Difficulty
- medium
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