Answer:
to provide a reference system
Explanation:
The equator and prim meridian used on maps provides a reference system for determining location and navigating the earth.
- An equator is the only line of latitude that is a great circle.
- Prime meridian is a line of longitude that is 0°
- When both are used, they can form the basis of a reference system to determine places on earth.
- Using these lines, we can assign values of coordinates to the earth surface to facilitate location determination.
The equator and prime meridian are used on maps to provide a reference system.
Answer:
sovereignty
Explanation:
or at least.....this is the theory
The correct answers are:
- few natural barriers;
From its original territory in Eastern Europe, Russia managed to expand greatly and become the biggest country in the world by far, and one of the biggest reasons for that was the relatively easy terrain, and the lack of natural barriers that were going to set the Russians back.
- harsh climate;
The fact that the climate is very harsh in the territories that Russia gained, meant that very small amount of people live in those areas, thus the resistance was relatively small and insignificant, so the Russians managed to gain the desired territories with relative ease.