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

Monatomic ions form when a single atom gains or loses electrons.
What form when a single atom gains or loses electrons?

Dendrites from the cell body recieve impulses from other neurons.
What do dendrites from the cell body recieve impulses from?

The impact of evaporative loss of the most energetic water molecules from a surface has the impact that it cools it.
The evaporative loss of the most energetic water molecules does what to a surface?