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    • Thread Starter

    I always understood it as: if a substance is dissolved into solution, and carried away by water/the solution (say nitrate fertiliser from a farmland, dissolved in rainwater, and carried to a nearby lake causing eutrophication).

    However when googling leaching, it comes back with a definition involving infiltration (so leaching is rather when a substance is infiltrated).

    So my question is, does leaching HAVE to involve the substance being infiltrated?

    This is for A2 environmental studies
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