<span>The answer is earthquakes.
Places where plates slide past each other are called transform boundaries.
Although transform boundaries are not marked by spectacular surface features, their sliding motion causes lots of earthquakes.</span>
As the scent is related to the memory of the person and thus when repeatedly exposed to the same type of the smell the person shows a cognitive leaning for that smell. This is a type of adaptation as the person now knows or can easily connect to that particular scent as he or she is conditioned to it.