It refers to Calorific flow
The first answer is B and the second is C Because half of the kids will be homozygous black, and the other half Heterozygous white.
The evaluation of their DNA and short tandem repeats will let them know if the birds are related or not. The genetic linkage will provide information about their common ancestry as well as if they belong to the same species, or are closely related species.
A. Liquids
The earth’s outer core is a fluid layer approximately 2,400km thick