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

Example Input: Hybridization model model helps explain molecules with double or triple bonds.
Example Output: Which model helps explain molecules with double or triple bonds?

Example Input: Plankton is the most common life form in the ocean.
Example Output: What is the most common life form in the ocean?

Example Input: The two parameters used to measure changes in ecosystems are resistance and resilience.
Example Output:
The two parameters used to measure changes in ecosystems are resistance and what related factor?