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MrDereche MrDereche
wrote...
Posts: 4096
9 years ago
What mineral particles are the dominant coloring agents in reddish, brownish, and yellowish soils?
A) soluble potassium and sodium bicarbonates
B) humus and calcium carbonate
C) very fine-sized, silica and calcite particles
D) dust-sized grains of iron oxides
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milestone23milestone23
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Posts: 9919
9 years ago
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