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

Example Input: Exotic species are also called invasive species because they threaten other species.
Example Output: Why are exotic species also called invasive species?

Example Input: Metallic bonds gives a coil of copper wire the ability to conduct electricity well.
Example Output: What gives a coil of copper wire the ability to conduct electricity well?

Example Input: Nerve cells that sense touch are found mainly skin.
Example Output:
Nerve cells that sense touch are found mainly where?