The Earth is divided into western and eastern hemispheres by the ______?
The Earth is divided into western and eastern hemispheres by the ______?
زمین کو کس کے ذریعہ مغربی اور مشرقی نصف کرہ میں تقسیم کیا گیا ہے؟
Explanation
The prime meridian is a geographical reference line that passes through the Royal Observatory, Greenwich, in London, England.
It was first established by Sir George Airy in 1851
