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

Example Input: You call a group of organisms of the same species that live in the same area a(n) population.
Example Output: What do you call a group of organisms of the same species that live in the same area?

Example Input: A collapsing nebula leads to nuclear fusion process.
Example Output: A collapsing nebula leads to what process?

Example Input: The depth of the atmosphere is greatest sea level.
Example Output:
The depth of the atmosphere is greatest where?