Answer:
B
Explanation:
the structure is their serrated teeth & the function is tearing into their prey.
Sodium is kept immersed in kerosene because Sodium doesn't react with kerosene.
Breast milk provides antibodies to fight diseases.
Breast milk is produced by mammary glands in the breasts and its main function is feeding an infant. Breast milk is the primary source of nutrition for newborns. The composition of the milk includes immune-boosting white blood cells, as well as stem cells, which can help organs develop, antibodies, proteins, amino-acids, oligosaccharides, growth factors, hormones, enzymes, vitamins, minerals…
