Answer: I think it's Angola.
Most (68%) of the earth's freshwater is found in both glaciers and icecaps.
All mass isn't all together in one area but is actually more spread out.
The quartz is more resistant to abrasion and chemically more resistant than the feldspar. The result is that the quartz remains in the stream but the feldspar breaks down to clay or is dissolved.
(this is from coursehero.com)
Polynesia Island was the most recently settled
