How does the h-r diagram group stars how a star would move through the diagram during its life

The Hertzsprung-Russell Diagram is a graphical tool that astronomers use to classifystars according to their luminosity, spectral type, color, temperature and evolutionary stage. Stars in the stable phase of hydrogen burning lie along the Main Sequence according to their mass.

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic