.
Ques : Which flightless birds have heavy, solid bones that act like a diver’s weight belt, allowing them to stay underwater for lengths of time?
A. Penguins
B. Emus
C. Ostriches
D. Cranes
Ans : A. Penguins
.
Ques : Which flightless birds have heavy, solid bones that act like a diver’s weight belt, allowing them to stay underwater for lengths of time?
A. Penguins
B. Emus
C. Ostriches
D. Cranes
Ans : A. Penguins