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

[Q]: Mesoderm type of cell layer do flatworms have.
[A]: What type of cell layer do flatworms have?


[Q]: One of the properties of an air mass is that an air mass has similar temperature and moisture properties throughout it.
[A]: Which of the following is true regarding the properties of an air mass?


[Q]: Like a runner passing a baton, the transmission of nerve impulses between neurons depends on neurotransmitters.
[A]:
Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what?