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

[Q]: The water in some springs are hot because they're heated by hot magma.
[A]: The water in some springs are hot because they're heated by what?


[Q]: Aerobic exercise helps improve the cardiovascular system, while anaerobic exercise causes muscles to get bigger and stronger.
[A]: Aerobic exercise helps improve the cardiovascular system, while what exercise causes muscles to get bigger and stronger?


[Q]: Same kind of interference characteristics does matter have compared to any wave.
[A]:
What kind of interference characteristics does matter have compared to any wave?