"At the equinox, all latitudes see about 12 hours of daylight and darkness as Earth rotates on its axis. "
Wednesday, March 20, 2013
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"At the equinox, all latitudes see about 12 hours of daylight and darkness as Earth rotates on its axis. "
"At the equinox, all latitudes see about 12 hours of daylight and darkness as Earth rotates on its axis. "
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