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

Q: In invertebrates group of animals several forms of asexual reproduction are found.

A: In what group of animals several forms of asexual reproduction are found?
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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: You call elements that contain only atoms of one type of element native elements.

A:
What do you call elements that contain only atoms of one type of element?
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