The dark coloured organic matter found in the top soil:

Minute opening is called

A thing used for making pottery:

The most useful organisms in the soil are:

The soil type that is most likely to be found on the banks of river Ganga is

The natural process of breaking down of huge pieces of rocks into fine particles of soil:

Sandy soil contains sand to about

The thickness of the Lithosphere

The soil that is good for the growth of plantation crops like coffee,tea,coconut,and banana: