ASAP HELP For earth science What is the phase of a star called where it simply cools and fades away?

Eysyksykfrkueykeukdlurukdlurlurlurlurulluruekukelrueukluryekkey

Most of earths fresh surface water is found in

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule