What is the particle pressure of gas c ?

How air particles exert a pressure on the inside of the balloon

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

Compare and contrast physical changes with chemical changes.