what happens when a main sequence star evolves?

A) it becomes a red giant and leaves the main sequence .
B) it become a white dwarf and leaves the main sequence.
C) it cools more and more, but remains a main sequence star.
D) it migrates within the main sequence region, from the upper-left to the lower-right region on an H-R diagram

Respuesta :

The answer is A, Hope this helps :)

Answer:

Your answer is A. it becomes a red giant and leaves the main sequence. Hopefully this helps!