shelbyhead1922 shelbyhead1922

23-12-2022
Social Studies

Answered

If and isotope has a half life of 4 billion years, then in 4 billions years -
A) all of the original amount will be present.
B) 1/4 of the original amount will be present.
C) 1/2 of the original amount will be present.
D) none of it will be present

Answer :

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