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

Example Input: The long, threadlike extensions of the nerve cell help transmit nerve impulses.
Example Output: Which part of the nerve cell helps transmit nerve impulses?

Example Input: Zinc is active transition metal kind of metal.
Example Output: Zinc is what kind of metal.?

Example Input: Most ocean waves are caused by wind.
Example Output:
Most ocean waves are caused by what?