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

Q: A volcano chain is formed by subduction of oceanic crust beneath a continental or oceanic plate.

A: What kind of chain is formed by subduction of oceanic crust beneath a continental or oceanic plate?
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Q: The core of a star collapses during a supernova, forming a neutron star.

A: The core of a star collapses during what event, forming a neutron star?
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Q: The vivid colors of flowers are an adaptation designed to encourage pollination by animals such as insects and birds.

A:
The vivid colors of flowers are an adaptation designed to encourage what by animals such as insects and birds?
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