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

Q: A desmosome is a cell structure that anchors the ends of cardiac muscle fibers together.

A: A desmosome is a cell structure that anchors the ends of what fibers together?
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Q: Springs or geysers do we call heated groundwater that erupts from the ground under pressure.

A: What do we call heated groundwater that erupts from the ground under pressure?
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Q: Particles in the gas state of matter do not experience any force of mutual attraction or repulsion.

A:
Particles in what state of matter do not experience any force of mutual attraction or repulsion?
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