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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Air quality and climate

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Attempt questionAir quality and climate revisionRevise the key idea

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4

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Air quality and climate

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Paper 4Theory (Extended)4 marks

The impact of acid rain on ecosystems is a growing concern.

Description

Acid Rain Effects

Acid rain can lead to the acidification of lakes and streams, harming aquatic life and disrupting ecosystems.

  1. a

    Discuss the methods to reduce acid rain and their effectiveness.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 4 structured question: Air quality and climate

Paper 4Theory (Extended)4 marks

Description

Human Contributions to Acid Rain

Human activities, particularly the burning of fossil fuels, release sulfur dioxide and nitrogen oxides into the atmosphere, contributing to acid rain.

  1. a

    Evaluate the effectiveness of using low-sulfur fuels in reducing acid rain.

    Aim for approximately 4 distinct marking points.

    [4]