Its soil contains raw materials that might be harvested and processed into rocket fuel or breathable air.

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Toxoplasmosis can be found in raw meat, cat faeces and soil where they have defecated and unpasteurised goat's milk.

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The disposal of raw, untreated sewage on farmland in Scotland has led to fears that dangerous viruses may be lurking in the soil or finding their way into the water supply.

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