What was life in the Song dynasty?

During the Song (Sung) Dynasty (960-1276), technology was highly advanced in fields as diverse as agriculture, iron-working, and printing. Indeed, scholars today talk of a Song economic revolution. The population grew rapidly during this time, and more and more people lived in cities.

Explanation:

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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.