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Cambridge IGCSE Environmental Management practice

Paper 1 structured question: Causes and impacts of soil erosion

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Causes and impacts of soil erosion

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Paper 1Theory6 marks

Soil erosion is influenced by natural forces and human activities, leading to environmental degradation and social problems.

Description

Effects of Soil Erosion

Soil erosion results in habitat loss, desertification, river silting, population displacement, and problems like malnutrition and famine.

  1. a

    Describe how clearing vegetation leads to soil erosion.

    Aim for approximately 3 distinct marking points.

    [3]
  2. b

    Suggest two ways to reduce soil erosion caused by farming and grazing.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 1 structured question: Causes and impacts of soil erosion

Paper 1Theory6 marks

Description

Causes of Soil Erosion

Soil erosion occurs when vegetation is cleared for farming and grazing, exposing soil to erosion by water and wind. Water erosion happens when rain or rivers wash soil away. Wind erosion occurs when strong winds blow loose soil particles off bare land.

  1. a

    Identify two human activities that cause soil erosion.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    Explain two consequences of soil erosion for the environment or people.

    Aim for approximately 4 distinct marking points.

    [4]