Acrystal of potassium feldspar (kalsi3o8) will produce a variety of weathering products after it is weathered. which of the following is not a product that results from the weathering of potassium feldspar?
a) silica.
b) potassium ions.
c) clay minerals.
d) iron oxides.

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According to the sector model, in which region or regions would you most likely find industrial and transportation development?