OPTIONS:
(A). Limbs
(B). fingers
(C). feet
(D). nose
(E). Frogs.
(F). Frogs
(G). hair
(H). Whales

Fact 1: Webbed feet are used for moving faster through water by aquatic animals. Fact 2: Ducks have webbed feet, designed for swimming. Given the two facts above, what designed for swimming are used for moving faster through water?
Answer:
(C).