I am pretty sure that the only suitable option is the first one : a. meteoroid craters. This term was introdused by Francesco Maria Grimaldi<span>, who has a crater honorably named after him. If you still need the answer this one will definitely help you. Regards!</span>
Answer:
nebula, protostar, supergiant, supernova, neutron star
The offspring of parents differing in two specific gene pairs or a hybrid that is heterozygous for alleles of two different genes! you can predict the outcome by using a punnett square