In terms of particle sizes, secondary minerals are usually
A. smaller than primary minerals, because they have undergone fairly intense chemical weathering processes compared to primary minerals.
B. larger than primary minerals, because they are fairly resistant to physical weathering processes compared to primary minerals.
C. larger than primary minerals, because they are fairly resistant to chemical weathering processes compared to primary minerals.
D. smaller than primary minerals, because they have undergone fairly intense physical weathering processes compared to primary minerals.
Answer: A
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