If 87.5% of a radioactive element has become stable daughter atoms, and the half-life is 1.2 billion
years, the rock is
O 600 million years old.
O 3.6 billion years old.
O 1.2 billion years old.
2.4 billion years old
O 300 million years old.

Question

05-10-2022
Geography

Answered

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If 87.5% of a radioactive element has become stable daughter atoms, and the half-life is 1.2 billion
years, the rock is
O 600 million years old.
O 3.6 billion years old.
O 1.2 billion years old.
2.4 billion years old
O 300 million years old.

Sagot :

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