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

Example Input: Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called coral reefs.
Example Output: Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called what?

Example Input: Human facial expressions can communicate emotions.
Example Output: What can human facial expressions communicate?

Example Input: Capacitors are the devices placed in electric circuits where charge can build up, which store energy when charged and release it when they discharge.
Example Output:
What are the devices placed in electric circuits where charge can build up, which store energy when charged and release it when they discharge?