A rock may involve (oxygen isotopes).Logical formLearned from2 sentences. Isotope may undergo a use.Logical formLearned from2 sentences. An islamic republic may purchase medical isotopes on an international market.Logical formLearned from2 sentences. A solution may contain a radioactive isotope of iodine.Logical formLearned from2 sentences. Sand may contain isotopes.Logical formLearned from2 sentences. An isotope can be responsible for nuclear fission.Logical formLearned from2 sentences. Radioactive isotopes may undergo detections.Logical formLearned from2 sentences. An isotope can be responsible.Logical formLearned from2 sentences. Amounts of radioactive isotopes may be released into an ocean.Logical formLearned from2 sentences. Isotopes may be based on triple points.Logical formLearned from2 sentences. Radioactive isotopes can be for use.Logical formLearned from2 sentences. An (isotope u-233) can be fissile.Logical formLearned from2 sentences. A rotation can be for isotopes.Logical formLearned from2 sentences. Isotopes can be in a body.Logical formLearned from2 sentences. Some starts can be for isotopes.Logical formLearned from2 sentences.