<span>The correct answer for the question that is being presented above is this one: "Topographic maps feature contour lines to portray the shape and elevation of the land. Topo maps render the three-dimensional ups and downs of the terrain on a two-dimensional surface. It also includes contours. Orthophoto maps</span> show land features using color-enhanced photographic images which have been processed to show detail in true position. They may or may not include contours."
Because one might have other minerals in it as well
The Ming emperors made it their capital in 1421 and it remained China's capital till 1912 when the Manchu Empire fell and SunYat Sen turned China into a republic.
Ummmmm I don’t know can you explain what you mean
