Question

Fill in the blanks.
1. O' Longitude is called a
line
2. The International Date Line is located com
longitude​

Answer 1

1.Prime meridian

2.Greenwich in London

Answer 2

O' Longitude is called a prime meridian line.

The International Date Line is located on 180 degrees longitude.

• The prime meridian is an imaginary line of longitude(north-south line) that passes through the Royal Observatory, Greenwich in London, England.
• The line divides the Earth into the eastern and western hemispheres, just like the equator( divides into northern and southern hemisphere).
• It is considered to be a reference line for many astronomical observations.
• The International Date Line is also an imaginary line that runs North to South. It is also referred to as the Line of Demarcation.
• It is located 180° east or west of Greenwich in London, England. It marks the boundary between two subsequent days.