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GCSE Geography · key term
Precipitation made more acidic by pollutants such as sulphur dioxide and nitrogen oxides reacting with water in the atmosphere.
Used by Edexcel
Paper 3
Revise: Threats to taigaAcid precipitation damages tree needles, reducing their ability to photosynthesise. It also depletes nutrients such as calcium in the soil. Trees then have fewer resources for healthy growth and become more vulnerable to pests and diseases.
For acid precipitation, explain both damage to needles and loss of soil nutrients rather than simply saying that rain kills trees.
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