A) an animal mystery
B) a math problem
C) four riddles
D) a jigsaw puzzle

A) dinosaurs
B) riding in a minisub
C) dolphins in the ocean
D) Morgan le Fay

A) to the forest
B) to the ocean
C) to the internet
D) to the fair

A) bits of sea grass
B) pieces of seashells
C) tiny grains of sand
D) tiny sea animals

A) a starfish button
B) an oyster button
C) the slide button
D) a coral button

A) by turning the wheel
B) by using arm signals
C) by pressing the arrows

A) an eel
B) an octopus
C) a shark
D) a dolphin

A) the minisub had been cracked
B) it ran on batteries
C) it had traveled millions of miles
D) it was part of an old airplane

A) because it was hurt
B) it was going to find food
C) to escape from the shark
D) it was tired of the minisub

A) they were close to the shore
B) it began to fill up with water
C) they wanted to go for a swim
D) the shark broke the sub's window

A) They wanted to relax.
B) They liked doing the backfloat.
C) They were too tired to swim.

A) two dolphins
B) two sharks
C) two seahorses
D) two oysters

A) oyster
B) sand
C) dolphin
D) seahorse

A) The oyster jumped back into the water.
B) a new word replaced the riddle on the scroll
C) Morgan le Fay told them so.
D) The dolphins did a flip.

A) They oyster was grey.
B) They were squeezed by an octopus.
C) The oyster was on the reef all along.
D) It was in the minisub's log.

A) no
B) yes