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

[Q]: All of the populations that live in the same area make up a(n) community, which includes populations of different organisms.
[A]: All of the populations that live in the same area make up what type of group, which includes populations of different organisms?


[Q]: You call the separation of ions that occurs when a solid ionic compound dissolves dissociation.
[A]: What do you call the separation of ions that occurs when a solid ionic compound dissolves?


[Q]: Instantaneous velocity is defined as the velocity of the object at a given moment.
[A]:
What is defined as the velocity of the object at a given moment?