ACTIVITY
nuclear power: worth the risk...
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Geography
![question](/tpl/images/cats/geografiya.png)
Geography, 22.06.2019 14:40
Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite
Answers: 2
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 23.06.2019 18:30
What was apartheid and how did it restrict the rights of non-whites?
Answers: 1
![question](/tpl/images/cats/geografiya.png)
Geography, 24.06.2019 17:30
Most of the volcanic activity that occurs in the ring of fire is a result of the a. formation of mantle plumes away from plate boundaries. b. subduction of one plate under another. c. movement of two plates away from each other. d. sliding of one plate past another.
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 06:31
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
History, 19.12.2019 06:31
![question](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 06:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 07:31
![question](/tpl/images/cats/biologiya.png)
Biology, 19.12.2019 07:31
![question](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 07:31
![question](/tpl/images/cats/fizika.png)
Physics, 19.12.2019 07:31
![question](/tpl/images/cats/biologiya.png)
Biology, 19.12.2019 07:31
![question](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 07:31
![question](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 07:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 19.12.2019 07:31
![question](/tpl/images/cats/istoriya.png)
History, 19.12.2019 07:31
![question](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 07:31
![question](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 07:31