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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Air quality and climate

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Air quality and climate

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Paper 3Theory (Core)3 marks

Air pollution is a significant environmental issue.

Description

Sources of Air Pollutants

Various air pollutants originate from different sources, including combustion processes and biological decay.

  1. a

    Identify List the sources of the following air pollutants: carbon dioxide, carbon monoxide, methane, nitrogen oxides, and sulfur dioxide.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Air quality and climate

Paper 3Theory (Core)3 marks

Description

Air Pollutants and Their Sources

Air pollutants can have various origins, impacting health and the environment.

  1. a

    Explain Discuss the sources of nitrogen oxides and sulfur dioxide, including their effects on air quality.

    Aim for approximately 3 distinct marking points.

    [3]