Question

1)The following are not natural radioactive elements.

a)polonium
b)radium
c)thorium
d)neptunium ​

Answer 1

$\huge\mathfrak{Hello\:Mate!}$

${Your\:Answer:}$

_____________________________

(a) Polonium is not a natural radioactive element.

_____________________________

${Hope\:this\:helps\:uh..}$

$\huge\mathfrak{BeBrainly♡}$

Answer 2

polonium is the correct answer