Answer :
Final answer:
The ostrich, bluebird, and eagle are the correct answers to the questions about the fastest running bird, the international symbol for happiness, and a bird with a sharp and curved beak, respectively.
Explanation:
The fastest running bird: The ostrich is the correct answer as it is known to be the fastest running bird.
International symbol for happiness: The Bluebird is the correct answer as it is considered the international symbol for happiness.
Bird with a sharp and curved beak: The correct answer is the Eagle since it has a sharp and curved beak.
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