The Prime Meridian is defined as the 0° longitude. It passes through Greenwich and divides the Earth into the Eastern Hemisphere and Western Hemisphere.
So, the correct longitudinal extent of the Prime Meridian is 0°.
| List I (Name of Shifting Cultivation) | List II (Country) |
| A. Milpa | 1. Zaire |
| B. Ladang | 2. Brazil |
| C. Rocca | 3. Malaysia |
| D. Masole | 4. Mexico |