Match List-I (Soil description) with List-II (Coefficient of permeability, mm/s) and select the correct answer using the codes given below the lists:
List-I
A. Gravel
B. Clay silt admixtures
C. Loess
D. Homogeneous clays
List-II
1. > 1
2. 10−2 to 10−4
3. < 10−6
4. 10−4 to 10−6
Codes:
A B C D