Question

please freind give me the answers i can't solve it
​

Answer 1

Answer:

a.Percolation rate means the rate of water movement through a soil.Percolation rate is usually measured and assigned on the basis of elapsed time per unit volumetric water level drop. The most commonly used unit for expressing percolation rate is minutes per inch (mpi).

b.Percolation rate (ml/min) = amount of water (ml) / percolation time (min). For example, If 200 ml of water is percolated through the soil sample in 40 min.