Hi how are you guys doing today???

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Ineed ! i have no clue how to do this problem.

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced