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Cambridge IGCSE Environmental Management practice

Paper 1 structured question: Water supply

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Water supply

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Paper 1Theory6 marks

Sources of fresh water used by people

Description

Fresh Water Sources

People obtain fresh water from aquifers, wells, rivers, reservoirs, and desalination plants. Aquifers are underground water stores accessed by wells. Rivers provide flowing surface water. Reservoirs are man-made lakes storing water. Desalination plants remove salt from seawater to produce fresh water.

  1. a

    Identify List three sources of fresh water used by people.

    Aim for approximately 3 distinct marking points.

    [3]
  2. b

    Explain Explain how desalination plants provide fresh water.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 1 structured question: Water supply

Paper 1Theory5 marks

Description

Fresh Water Sources

Fresh water sources include aquifers accessed by wells, rivers, reservoirs, and desalination plants. Each source has advantages and limitations depending on location and availability.

  1. a

    Describe Describe what an aquifer is and how people access water from it.

    Aim for approximately 3 distinct marking points.

    [3]
  2. b

    Suggest Suggest one reason why reservoirs are important for fresh water supply.

    Aim for approximately 2 distinct marking points.

    [2]