Question

Give scientific reason . 1] Why do stars evolve ?​

Answer 1

Answer:

hope it well is the answer hope it well is

Answer 2

Answer:

one scientific reason is

Because when you dump energy into a normal gas (in this case the star's envelope), the pressure that gas exerts increases. ... And so generally speaking, stars evolve from the main sequence over toward the upper right quadrant of the H-R diagram, eventually becoming giant or supergiant stars.