1.

If the coefficient of permeability of soil is 9*10-7cm/s and porosity is 0.33, then its coefficient of percolation is ______

A. 8*10-7cm/s
B. 27*10-7cm/s
C. 26*10-7cm/s
D. 13*10-7cm/s
Answer» C. 26*10-7cm/s


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