Your answer is measure the distance between places. Map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground.
Surface of the Earth: Most of the Earth's surface (70%) is covered with water, and the remaining 30% is taken up by the seven continental landmasses. However, underneath the water that fills the oceans, and the dirt and plants that cover the continents, the Earth's surface layer is made of rock.
Untouchables are considered outside the caste system.
Cooled quickly, because lava cools and crystallizes rapidly
We say Democracy but it’s really a Republic