Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Insulin is made up of two polypeptide chains.

A: Insulin is made up of how many polypeptide chains?
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Q: The opening in the front of the eye is called pupil.

A: What is the opening in the front of the eye called?
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Q: If an ecosystem’s balance is disturbed by a volcanic eruption, the ecosystem will eventually become balanced again will most likely occur.

A:
If an ecosystem’s balance is disturbed by a volcanic eruption, what will most likely occur?
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