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.

c) should be your answer i got it right in my examGOOD LUCK!

organisms that are both used in toothpaste as well as cause malaria are protista and monera.

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek