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Banana.
An example of the element Potassium

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Banana.
Bananas are known for being high in potassium, which makes them slightly more radioactive than the average food (because some naturally occurring potassium is the radioactive potassium-40 isotope).
Source: Walmart
Contributor: Theodore Gray
Acquired: 8 April, 2009
Text Updated: 9 April, 2009
Price: $0.50
Size: 7"
Purity: 0.36%
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