Map one is a map of the density change from the tang to the song dynasties. the map is titled four population growth, 750-1250. there is a map key that indicates green represents a decrease, light yellow represents a constant or slight increase, gold represents one hundred percent to three hundred percent, orange represents more than three hundred percent and red indicates more than one thousand percent. central and north china contain mostly green, light yellow and gold. central and southern china contain mostly light yellow and gold. south-central an southwest china contain mostly light yellow, gold and orange. south and southeast china contain mostly orange and red. map two is a map showing two tang china from 618ad to 907ad. there is a map key that indicates a black line or a green line represents a road, dark orange shading represents an area of high population density and a white squared indicates an metropolitan prefecture. the city of duji in the north, is represented by many black and green lines, orange shading and a white square. changi an, in the north is represented by many black and green lines, orange shading and a white square. wuzhou in the northeast, is on the coast and is represented by many black and green lines and orange shading. based on both maps, which of these describes china's population density between the tang and song dynasties?