![subject](/tpl/images/cats/biologiya.png)
Biology, 15.07.2019 12:30 princessa15266
Scientists estimate earth's age to be 4.6 billion years. samarium has a half-life of approximately 106 billion years. from the present date, approximately how many more years must pass before a sample of samarium that was created at the beginning of earth's history contains 50 percent of the original parent material? 1 billion 10 billion 100 billion 1,000 billion
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 07:50, kailahgranger
In each transformation of energy , some energy what?
Answers: 1
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:00, desscraft30
Which of the following are not included as modern mammals that evolved during the eocene epoch? primates artiodactyls perissodactyls none of the above
Answers: 1
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:00, taterbug3859
Every early childhood education program should develop a
Answers: 1
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:30, mwms2018sg
Discuss cell surface transport in the structure of constituents
Answers: 1
You know the right answer?
Scientists estimate earth's age to be 4.6 billion years. samarium has a half-life of approximately 1...
Questions in other subjects:
![Konu](/tpl/images/cats/es.png)
Spanish, 29.04.2021 01:00
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 01:00
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)