soil
Recognise that soil consists of weathered rocks and decomposed living things.
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Explain how different agents contribute to the weathering of rocks.
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Desrcibe the process of soil formation as a result of weathering.
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Identify the natural causes of soil erosion.
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Explain how different factors affect soil erosion.
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Desrcibe the affects of soil erosion on the shape of land, condition of soil and condition of water.
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Recognise ways to prevent soil erosion.
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