Question

what is nuclear fusion? what is responsible for energy in Sun?​

Answer 1

Answer:

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.

Answer 2

Answer:

Nuclear fusion is responsible for energy in sun

Explanation:

It is the process in which 2 light nucei of hydrogen fuse together to form he atom and this results in loss of mass which is converted into heat and light energy according to e=mc2