A rock contains 12.5% of it's original K40. How old is the rock
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Ответ:
The rock's age is
2.6 billion
years.
There are essentially two ways of solving nuclear half-life problems. One way is by applying the half-life formula.
Explanation:
Ответ:
1/3
Explanation:
38.4% of the energy comes from natural gasses.