<span>Gyri
and sulci are the folds and grooves,
respectively, which characterize the surface of the human brain.</span> Gyri
are part of the brain that shows a larger surface of the brain. When the gyri
change in structure or form it shows that a body is encountering sickness and
disorders. Sulci is one of the part of the cerebral cortex that surrounds the
gyri.
D) areas at high latitudes
The answer on this scenario would be that most of the people would rely on external brains these days in order to connect to people.Hope this would be the answer on this question and would surely be of help then.
