chemical and mechanical weathering :P
erosion weathereing
Modification of rocks and soils.
there are no "main" types of fish. There are just different types.
The three main types of clouds are...cumulusstratuscirrus
what are the two main types of environment
what are the two main types of environment
The main types are Serial and Parallel.
there are two main types the marine and freshwater
The three main types are Cirrus, Cumulus, and Stratus
the two main types of communications are emailing and socialising
The 2 main types of timber are Softwoods and Hardwoods.
There are three (3) types of female voice. They are Soprano(Highest), Mezzo Soprano ( Lower) and Contralto (Lowest); NB The late Karen Carpenter, of The Carpenters, was a contralto.