Question

which object is created during the formation of a star?
a nebula
a protostar
a supergiant
a supernova

Explanation:

A nebula is the initial cloud of gas and dust. A protostar is formed as the nebula collapses and material accumulates during the early - stage of star formation. A supergiant is a late - stage massive star, and a supernova is an explosive event at the end of a massive star's life.

Answer:

B. a protostar