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

Ex Input:
Thermoregulation is the process when animals maintain an internal temperature.

Ex Output:
What is the process when animals maintain an internal temperature?


Ex Input:
Saturated hydrocarbons hydrocarbons contain only single bonds between carbon atoms.

Ex Output:
What hydrocarbons contain only single bonds between carbon atoms?


Ex Input:
Collision theory states that chemical reactions occur when atoms, ions, or molecules collide.

Ex Output:
What states that chemical reactions occur when atoms, ions, or molecules collide?