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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.
Answers: 1
Health, 23.06.2019 13:30
Which of the following is not covered in your emergency action plan
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Health, 23.06.2019 22:00
Anti-smoking ads are an example of a) the influence of friends b) the influence of family c) the influence of media d) the influence of teachers
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