The 100th meridian east is a line of longitude that is located 100 degrees east of the Prime Meridian, which is defined as 0 degrees longitude. It runs from the North Pole to the South Pole and passes through several countries, including parts of Russia, Mongolia, China, India, and Myanmar, among others. This meridian is significant for various reasons, including its use in geographic studies and its historical context in terms of mapping and land use.
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