Question 5
Soil has particles of different sizes. Arrange the words given below in increasing order of their particle size.
Arrange the following soil types in the precedence of the size of their particulate matter Gravel, silt, sand and clay [1 MARK]
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