Question

What is nuclear fussion ? How the energy produce in the sun?​

Answer 1

Answer:

Nuclear fusion is the process of making a single heavy nucleus (part of an atom) from two lighter nuclei.

A huge amount of mass is above you, squeezing down on you from all sides. This is what happens to the hydrogen gas in the core of the Sun. It gets squeeze together so tightly that four hydrogen nuclei combine to form one helium atom. This is called nuclear fusion. In the process some of the mass of the hydrogen atoms is converted into energy in the form of light