79 -According to the passage, the piranha ---- . A) is the world's smallest fish
B) would not be so bad if it was better understood
C) has sharp teeth and a large appetite
D) lives largely on a diet of its own species
E) is a salt water fish, similar to the shark
80 -The passage tells us that ----- . A) piranhas are dangerous because so many of them gather to attack their prey
B) a single piranha can eat a cow in a matter of minutes
C) the average piranha eats four other piranhas every day
D) piranhas are useless because they are not edible E) the Amazon River is full of
cow skeletons
