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What is a half-life?
Question 2 options:


Half the time it takes for an organism to become extinct


The spontaneous breakdown of atomic nuclei


The time it takes for half a radioactive sample to decay


Atoms of the same element with a different number of neutrons

Respuesta :

Branflakes98
I'd go with option "C"
MatthewGraves

it is the time taken for the radioactivity of a specified isotope to fall to half its original value.

was it worth it? XD

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