List the particle size names in the fine earth mineral fraction and show their size range with proper units.
a. Clay (<0.002 mm), Silt (0.002 - 0.05 mm), Sand (0.05 - 2.0 mm)
b. Clay (<0.005 mm), Silt (0.005 - 0.1 mm), Sand (0.1 - 2.0 mm)
c. Clay (<0.01 mm), Silt (0.01 - 0.1 mm), Sand (0.1 - 2.0 mm)
d. Clay (<0.05 mm), Silt (0.05 - 0.5 mm), Sand (0.5 - 2.0 mm)