Answer:
<h3>Inside a nebula, there are areas where gravity causes dust and gas to “clump” together. As these “clumps” gather more and more mass their gravitational pull increases, forcing more atoms together. This process is known as accretion, and the result is a protostar.</h3>
Hi i might be late but it’s B i hope i helped!
In codominance there is neither dominant or recessive. Both are show in the offspring. For example, with blood if a parent has A and the other has B the offspring with codominance is AB.