Soil resources questions.

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#	Question
1	Dissolution weathering process tends to be most effective in areas with hot humid climates. True OR False
2	E-horizon is a mineral surface horizon characterised by loss of clay, iron, or aluminum resulting in lighter colours and increased concentration of sand and silt fractions. True OR False
3	Ochric epipedon is one of the surface diagnostic horizons. True OR False
4	Generally , soil PH increases with decreasing rainfall. True OR False
5	Old (mature) soils are normally characterised by higher clay contents than the young (immature) soils. True OR False
6	Inorganic and organic soil parent materials are products of both physical and chemical weathering processes. True OR False
7	Leaching is one of the soil formation processes which involves loss of soluble materials from the soil profile. True OR False
8	Most rocks and minerals undergo weathering at or near the earth`s surface in order to attain equilibrium with conditions in the interior of the earth. True OR False
9	One of the importance of soil classification is to organize knowledge on soil resources and communicate soil knowledge to other people. True OR False
10	Physical weathering alters composition of rocks by breaking them up into smaller fragments. True OR False

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