Step 1: Particle Size Definitions.
- Clay (IV): Particles are less than 0.002 mm.
- Silt (III): Particles range from 0.002 mm to 0.075 mm.
- Sand (II): Particles range from 0.075 mm to 4.75 mm.
- Gravel (I): Particles range from 4.75 mm to 0.075 mm.
Step 2: Solution.
The correct match is: (A) - (IV), (B) - (III), (C) - (II), (D) - (I). Option (3) is correct.