Question

which stages do all stars have in common in their life cycles? (1 point)
□ nebula
□ protostar
□ white dwarf
□ black hole

Explanation:

All stars form from a nebula, a cloud of gas and dust. A protostar is the early stage of star formation for every star. White dwarfs only form from low-to-medium mass stars, while black holes only form from very massive stars, so these are not universal.

Answer:

nebula, protostar