The time required for the moon to orbit around the earth is slightly longer than the earth rotation on its axis. The moon rotates in the same direction that the earth rotates on its axis. Thus, the moon's full rotation requires another 50min or 25 minutes per crossing of the earth's meridian.
Advanced cities are center for trade with a large population and an organized government a long-lasting pattern of organization in a community such as economy, religion, government, education
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