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

[Q]: Activities that can reduce the effects of edema condition include exercises to keep the blood and lymph flowing through affected areas.
[A]: Activities that can reduce the effects of what condition include exercises to keep the blood and lymph flowing through affected areas?


[Q]: The frequency of a wave is the reciprocal of the period of the wave.
[A]: The frequency of a wave is the reciprocal of what other attribute of the wave?


[Q]: In science, sound is defined as the transfer of energy from a vibrating object in waves that travel through matter.
[A]:
In science, what is defined as the transfer of energy from a vibrating object in waves that travel through matter?