Answer:
A. measure distances
Explanation:
The purpose of a map’s scale is to help measure distances. It can show large distances on the map as much smaller by conversion of the map's scale.
It allows them to be independent from other regions c.
It's called Gneiss
Gneiss has been exposed to higher pressure and temperature which make it a high grade metamorphic rock
It displayed alternating layers composed of different minerals such as micas or chlorites
When a volcano erupts, the molten rock (or magma) that comes out of the Earth is called lava. Because lava is so hot (more than 1,100 degrees C, over 2,000 degrees F), it remains molten and flows across the ground until it cools and hardens into rock.
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