The rivers start from the mountains or hills.
Answer:
384,400 km
Radius: 1,737
That depends on how close you are to the equator, in coulombia the temperature barely changes wile in south Canada it changes every season
I think that a) is chemical, and b) would be chemical
Layer G must be older than layer F, according to the law of superposition. So the answer is Paleozoic era, I believe.
