alleryThe International Date Line is based on which line of longitude?
AThe Paris meridian line
BThe Tropic of Cancer line
CThe Equator at 0 degrees
DOpposite the IERS meridian
Answer & Solution
Correct answer: D. Opposite the IERS meridian
1. The IERS Reference Meridian is the Earth's 0 degree line.
2. The line 180 degrees opposite it is the basis for the International Date Line.
3. The Equator and tropics are lines of latitude.
_Source: Wikipedia, Prime meridian, IERS Reference Meridian_
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