The correct option is A.
When an end of a tuning fork that is vibrating is placed against a table, it produces a sounder that is dramatically louder than the original sound produced by the vibrating tuning fork. At this stage, the tuning fork is forcing the table to vibrate at its own frequency. Thus, the statement in option A is not true.
Sural neuritis or sural neuralgia is the pain or injury to the sural nerve.
Genetic variation is an effect
I believe the answer is b sorry if I’m wrong