Heeelp. Sharks have been around for many years. The oldest shark teeth are from 400 million years ago. Sharks are known for thei
r very strong jaws. They are strong because both the top and the bottom jaw move. Which of the following sentences best belongs in the paragraph above?
A.
Ocean water is salty.
B.
Whales are mammals.
C.
Fish use gills to breathe.
D.
Normally, sharks eat alone.
