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

[Q]: Glaciers deposit their sediment when they melt.
[A]: When do glaciers deposit their sediment?


[Q]: Wave amplitude and wavelength are two important measures of wave size.
[A]: Wave amplitude and wavelength are two important measures of what?


[Q]: Alkenes are formed from an alcohol that loses water.
[A]:
What is formed from an alcohol that loses water?