Which one of the following sentences contains an incorrect usage of the singular possessive?
a. mary was dominant among jesus' disciples.
b. the alpha male is often the pack's leader.
c. icarus's fate was sealed when he approached the sun.
d. the north forty has always been my family's land.

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.