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

Q: Monatomic ions form when a single atom gains or loses electrons.

A: What form when a single atom gains or loses electrons?
****
Q: Sexual reproduction, in general, relies on sets of cells that are precursors for eggs and sperm.

A: What kind of reproduction, in general, relies on sets of cells that are precursors for eggs and sperm?
****
Q: Supernatural term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means.

A:
What term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means?
****