You just have to go over it over and over until you can memorize it and remember where everything is<span />
Answer:
1km
Explanation:
A scale of 1:25,000 means that 1 meter on the map equals 25,000 meters on the ground.
So,
Converting 4cm to meter;
4cm/100 = 0.04m
If;
1m = 25,000m
0.04m = ?
25,000 * 0.04 = 1000m
Because of the moving liquid below earths mantle