Can anyone help me please:

Which sequence represents a cross section of the bilayera hydrophilic head, hydrophobic tail, hydrophobic tail, hydrophilic headb hydrophobic tail, hydrophilic head, hydrophobic tail, hydrophilic headc hydrophobic head, hydrophilic tail. hydrophilic tail, hydrophobic headd hydrophilic tail, hydrophobic head, hydrophobic head, hydrophilic tail

Why do carbohydrate molecules function so well as fuel for the body?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?