Question

A certain soil sample took 30 minutes to percolate 600ml of water. What is the percolation rate

Answer 1

Percolation refers to the amount of water seeping down . while amount of water retained refersto the amount of water held . suppose you pour 1 000 M L of water in the soil out of which 600 ML seeps down . so we can say that amount of water retained = 400 ml amount of water percolated = 600 ML

Answer 2

600ml

______

30 ml =

$600 \div 30 = 20$

$answer is 20$