Which of the following statements about stars is true?
select one:
a. the smaller a star is, the shorter its life cycle.
b. all star's life cycles are about the same length, regardless of their size.
c. the larger a star is, the longer its life cycle.
d. the smaller a star is, the longer its life cycle.

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .