1.What do you think happen to the fish after several days?
Answer: The fish will die.
2. Give a reason for your answer in (1).
Answer: The oil layer does not allow the fish to get air.
3. What can you infer from your answers in (1) and (2)?
Answer: Fish need air to stay alive.
4. Give two other basic needs of fish.
Answer: (i) Water (ii) Food
