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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.

The parents of an infant born with myelomeningocele are confused about the primary healthcare has told them about the condition.what should the nurse consider before answering the parents questions in language that they will understand?

Why do you need two different circuits of blood vessels in your body?