Soils composed mostly of primary minerals will tend to have a higher percentage of ________ and a lower percentage of ________ than soils composed mostly of secondary minerals.
A)sand; clay
B)clay; silt
C)silt; sand
D)clay; sand

Question

Quizplus · Accepted Answer

Soils with a higher percentage of primary minerals tend to have larger particle sizes, characteristic of sand, while soils with more secondary minerals have smaller particle sizes, like clay. Primary minerals are less weathered, thus larger like sand particles, whereas secondary minerals result from further weathering, leading to finer particles such as clay.

Soils Composed Mostly of Primary Minerals Will Tend to Have