Deeper in the earth's crust there is more volcanic rock than other types of rocks. why is this so?

because the earth is hotter so the rock gets melted then pushes it way closer and cools

Explanation:

the closer you get to the center the hotter it is magma is created and eventually pushes up and cools

treaties

explanation:

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.