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

Example Input: The behavior of ideal gases is explained by kinetic molecular theory.
Example Output: The behavior of ideal gases is explained by what theory of gases?

Example Input: Articular processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head.
Example Output: What processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head?

Example Input: Most growing plant cells expand through water uptake.
Example Output:
How do most growing plant cells expand?