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?

<p>Chemical weathering (C)</p> Signup and view all the answers

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

<p>By increasing surface area for chemical attack (D)</p> Signup and view all the answers

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

<p>Biological weathering (B)</p> Signup and view all the answers

What is the definition of weathering?

<p>The physical and chemical alteration of rocks at or near the Earth's surface (B)</p> Signup and view all the answers

How is weathering different from erosion?

<p>Erosion involves transportation while weathering does not (D)</p> Signup and view all the answers

What makes rocks vulnerable to weathering according to the text?

<p>The presence of joints, cracks, and openings (C)</p> Signup and view all the answers

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

<p>A zone extending into the ground where air and water can penetrate (D)</p> Signup and view all the answers

What role does transportation play in erosion?

<p>Transportation is needed for movement of weathered debris (B)</p> Signup and view all the answers

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

<p>Weathering (C)</p> Signup and view all the answers

What type of weathering predominates in cold and dry regions?

<p>Physical weathering (B)</p> Signup and view all the answers

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

<p>It accelerates chemical decay (B)</p> Signup and view all the answers

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

<p>Coniferous forest (C)</p> Signup and view all the answers

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

<p>The longer the exposure, the more intense the weathering (C)</p> Signup and view all the answers

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

<p>Permeable sandy debris (A)</p> Signup and view all the answers

How does slope gradient influence the rate of weathering?

<p>Steep slopes lead to faster water flow and higher infiltration (B)</p> Signup and view all the answers

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