Question

Which of the following correctly describes the composition of typical soil?

A 55% minerals, 5% organic matter, 20% water, 20% air
B 40% minerals, 10% organic matter, 25% water, 25% air
C 45% minerals, 5% organic matter, 25% water, 25% air
D 45% minerals, 5% organic matter, 20-30% water, 20-30% air
E 50% minerals, 5% organic matter, 20-30% water, 15-25% air
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