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How much excrement does the average human produce annually?

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Humans produce roughly 500 litres of urine and 50 litres of faeces per person per year. These contain about 4 kg of nitrogen, 0.5 kg of phosphorous and 1 kg of potassium, the three basic elements for plant growth. The exact amount varies from region to region depending on food intake. Seventy per cent of the nutrients excreted by humans are in the urine fraction.
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Does eating human excrement can kill?

  It'd be rare for it to kill you straight off, but it certainly can make you very sick. And if you're already weak, then the added burden of that sickness might kill you.

How much does a vet make on average annually?

On average, a veterinarian will make between $50,000 and $65,000 for the first five years of practice (in 2011 dollars, inflation should be factored in for future years). An e