"Neuroplasticity", "brain plasticity", or (sometimes) simply "plasticity".
I beleive it is either A or C. im stuck between those 2 answers. I did this section 2 weeks ago.
B. a seismograph detects earthquake activity, while a seismogram measures the depths of the earth's layers.
Megacity would probably have the biggest affect on the immediate environment and possible the outlands of the megacity as well.
