Source 10 was originally designed for display in Metro stations. How do the mapmaker's choices to emphasizeminimizeor exclude details serve this purpose?

the precambrian aged rocks could be found in australia. australia is a region that has a lot of ancient civilization history from million years ago. in this region, there are a lot of recognizable fossils buried in its land which is considered a precambrian-aged rocks

the answer is blue river

answer conditional instability;