3 is b PROKARYOTIC AND EUCARIOTIC
I would have to say Proteins, lipids, and carbohydrates. Carbohydrates being the first energy source, lipids second and lasting the longest, and proteins the third and final source. although you did not give the full question, so i do not know if i can be completely sure.
Answer:
one is adopted and one is the child from the mother's previous marriage.
Explanation:
