Natural radioactivity is the random spontaneous disintegration of the nuclei of heavy isotopes of certain elements with the emission of
\(\alpha\), X, and \( \beta\)
\(\alpha\), \(\beta\) and \(\gamma\)-rays
X, \(\alpha\), \(\gamma\)-ray
\(\alpha\), \( \beta\) and X-rays
Correct answer is B
No explanation has been provided for this answer.