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

Example Input: Thermoregulation is the process when animals maintain an internal temperature.
Example Output: What is the process when animals maintain an internal temperature?

Example Input: Lipids are available to the body from three sources.
Example Output: Lipids are available to the body from how many sources?

Example Input: You can find sodium acetate in a heat pack.
Example Output:
Where can you find sodium acetate?