What is Radioisotope?
1.
a radioactive
Radioisotopes also occur naturally.
Carbon-14 is a radioisotope.
1.
a radioactive
Radioisotopes also occur naturally.
Carbon-14 is a radioisotope.
Random Words:
1.
The affectionate self-title for a child (spawn) of Queer parents.
"hey, did you hear Heather has two mommies?"
"really,..