Radioactive isotopes in fossils decay at a constant rate. the ratio of radioactive isotope to stable isotope can be examined to estimate the age of the fossil or the rock it was found in. this is an example of dating. a. magnetic b. relative c. precambrian d. absolute
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Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure
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Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?
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Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false
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Radioactive isotopes in fossils decay at a constant rate. the ratio of radioactive isotope to stable...
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