| Banana. | |||
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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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