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Cambridge IGCSE Environmental Management practice

Paper 1 structured question: Global water distribution

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Global water distribution

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Paper 1Theory4 marks

Water distribution affects availability for human use and ecosystems.

Description

Water Distribution Facts

Oceans contain about 97% of Earth's water. Freshwater makes up about 3%, mostly in ice sheets and glaciers. Groundwater and surface water like lakes and rivers hold the rest.

  1. a

    Explain why freshwater is a limited resource despite covering a small percentage of Earth's water.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 1 structured question: Global water distribution

Paper 1Theory3 marks

Description

Water Distribution on Earth

Earth's water is mostly found in oceans, with a small percentage as freshwater. Freshwater is stored in ice sheets, glaciers, groundwater, the atmosphere, lakes, and rivers.

  1. a

    Describe the main sources of freshwater on Earth.

    Aim for approximately 3 distinct marking points.

    [3]