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Health, 21.06.2019 16:40
Abanana can be an excellent source of potassium in our diet. there is a naturally occurring, long-lived, radioactive isotope of potassium, 40-19k, which has a natural abundance of 0.0117% and a half-life 1.27 billion years. estimate the activity of a typical banana due to this potassium isotope assuming that most of the mass is in stable potassium.
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Health, 22.06.2019 21:00
American college students invented football by combining what two sports?
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Health, 22.06.2019 23:50
When trimming plants and vines: a.burn all the poisonous plants b.touch poison oak and poison sumac with your bare hands c.wear gloves d.cut as quickly as possible
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Which condition is often a result of alcohol addiction? diabetes emphysema heart attack cirrhos...
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