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Weathering Process and Formation of Soils

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Weathering Process and Formation of Soils

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Questions and Answers

What type of weathering involves the breakdown of rocks by chemical reactions and processes?

Physical weathering

Chemical weathering (correct)

Biological weathering

Mechanical weathering

Which process of weathering leads to the disintegration of rocks into smaller pieces, increasing the surface area?

Frost wedging (correct)

Oxidation

Hydrolysis

Exfoliation

What is the primary role of biological weathering in rock breakdown?

Action of living organisms (correct)

Changing chemical elements

Disintegration into smaller pieces

Adding or removing chemical elements

Which type of weathering involves the addition or removal of chemical elements from rocks?

Chemical weathering Signup and view all the answers

How does physical weathering contribute to the process of chemical weathering?

By increasing surface area for chemical attack Signup and view all the answers

Which weathering process involves the breakdown of rock caused by living organisms such as burrowing animals and plants?

Biological weathering Signup and view all the answers

What is the definition of weathering?

The physical and chemical alteration of rocks at or near the Earth's surface Signup and view all the answers

How is weathering different from erosion?

Erosion involves transportation while weathering does not Signup and view all the answers

What makes rocks vulnerable to weathering according to the text?

The presence of joints, cracks, and openings Signup and view all the answers

In the context of weathering, what does the interface between lithosphere and atmosphere refer to?

A zone extending into the ground where air and water can penetrate Signup and view all the answers

What role does transportation play in erosion?

Transportation is needed for movement of weathered debris Signup and view all the answers

Which process is the initial phase in denudation according to the text?

Weathering Signup and view all the answers

What type of weathering predominates in cold and dry regions?

Physical weathering Signup and view all the answers

How does climate impact the rate of weathering in hot and moist regions?

It accelerates chemical decay Signup and view all the answers

What kind of vegetation can accelerate the weathering process on rocks beneath it?

Coniferous forest Signup and view all the answers

How does the period of exposure affect the magnitude of weathering on rocks?

The longer the exposure, the more intense the weathering Signup and view all the answers

What type of debris can act as a weak acid sponge to accelerate weathering?

Permeable sandy debris Signup and view all the answers

How does slope gradient influence the rate of weathering?

Steep slopes lead to faster water flow and higher infiltration Signup and view all the answers