Question 9
In a filtration plant, water is filtered using layers of (a) sand and clay (b) clay and fine gravel (c) sand and fine gravel (d) sand, fine gravel and medium gravel
In the traditional way of filtration we use 3 pots with charcoal at the top most pot, gravel at the second pot and sand at the third pot. but in place of charcoal and gravel if we use sand will iit be a better idea?why?
Arrange the following soil types in the precedence of the size of their particulate matter Gravel, silt, sand and clay [1 MARK]