Question

What is a protostar?

O a star which has lived out its life and is no longer undergoing nuclear fusion
O a star that is forming but has not yet begun nuclear fusion
O a star which has begun producing gamma rays
O a star which has reached the height of its production of helium
yes

Answer 1

B, A star that is forming but has not yet begun nuclear fusion. Hope this helps!

Step-by-step explanation:

Answer 2

second one

Step-by-step explanation: