Fill in the blanks with the correct words:  1. The value of the equator is ____. 2. The ____ are two places on the Earth’s surface situated just opposite to each other. 3. Longitude is the angular distance measured in degrees along the equator on the east and west of ____.  4. The regions that lie between 60° to 90° (poles) are referred to as ____. 5. The Greenwich time is denoted by an extremely accurate timekeeper (watch) named ____.