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

[EX Q]: Slimy smear does the bacteria look when seen with the naked eye.
[EX A]: How does the bacteria look when seen with the naked eye?

[EX Q]: Competive exclusion princple explains why two different species cannot occupy the same niche in the same place for very long.
[EX A]: What explains why two different species cannot occupy the same niche in the same place for very long?

[EX Q]: Downhill skiiers gain little advantage from a running start because the initial kinetic energy is small compared with the gain in gravitational potential energy other energy form.
[EX A]:
Downhill skiiers gain little advantage from a running start because the initial kinetic energy is small compared with the gain in what other energy form?