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Sunflowers can be used to clean up radioactive waste (they are able to extract pollutants, including radioactive metal contaminants, through their roots and store them in the stems and leaves. Making them the international symbol of nuclear disarmament).

Sunflowers can be used to clean up radioactive waste (they are able to extract pollutants, including radioactive metal contaminants, through their roots and store them in the stems and leaves. Making them the international symbol of nuclear disarmament).

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