Hard to answer when there is no map.
The earth's distance from space is 0 because it is in space
Tectonically stable means that this part of the continent has not moved for billions of years. The rock formation is important understanding the history of Earth since its unmoved and untouched state can provide ideas about how the Earth looked like as seen on the layers of the rock formation.
There ethnic was wavered after most of them were wiped out
Chilean central valley, and the Andes.
