Answer: In the order of size
Gravel is the largest in size soil with particles greater than 2mm
Sand, with soil with particles ranging 0.06mm to 0.06 mm
Silt, soil with particles ranging form 0.002 to 0.06
Clay, soil with pariticles size less than 0.002mm
Explanation: All soil must be classified under these 4 main categories. depending on their size.
