Question

what longitude lines divides the earth into eastern and western hemisphere​

Answer 1

Answer:

The prime meridian, or 0 degrees longitude, and the International Date Line, 180 degrees longitude, divide the Earth into Eastern and Western hemispheres.

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Answer 2

Answer:

The Prime Meridian , or 0° longitude and the International Date Line , or 180° longitude divide the Earth into Eastern and Western Hemispheres.