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Geomorphic Processes
Question
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What is humus ? How is it formed ?

Answer

The decomposition of plants and microorganisms releases organic chemicals that interact with the loose materials is called humus. It is the dead organic matter in the soil.
 Humus is formed by oxidation of vegetative matter the biological activity in the soil. It determines the fertility of the soil.

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Some More Questions From Geomorphic Processes Chapter

How is young soil distinguished from mature soil ? Describe. 

What external forces of gradation take place ?

Describe chemical weathering.

What is leaching ?

 How is humus formed ?

State the physical properties of soil

Name the chemical properties of soil.

What is weathering ?

Name three types of weathering.

What is exfloiation ?