Which of the following is an open question that models inquiry in the following situation?
You and four-year-old Ariel are feeding the fish, shrimp and crabs in the class aquarium. When you sprinkle fish food all the animals suddenly become very active.
◦ "How many fish are there?"
◦ "Do you like looking at the fish?"
◦ "What's happening, Ariel?"
◦ "Are the fish hungry?"