More than likely mutation
You spelled Pangaea wrong and it is the <span>Glossopteris</span> fossils that occur
Answer
A) 95 Kr
36
Explanation
The process by which a large nucleus split into two smaller nuclei is called nuclear fission and occurs after the nucleus has absorbed a neutron that is a product of the radioactive decay of another atom. The formed fission fragments are unstable and extremely radioactive.
