The expression for the self cleansing velocity is given by ____________

• A. (8*B* (G-1) *g*d/f)1/3
• B. (8*B* (G-1) *g*d/f) 2
• C. (8*B* (G-1) *g*d/f)
• D. (8*B* (G-1) *g*d/f)1/2