Ryan suffers from schizophrenia. he often mixes up words and ends up talking about things which make no sense. which symptom of schizophrenia is ryan exhibiting?

The answer is "Disorganized, incoherent speech".

Disorganized speech is a key part of schizophrenia. Disordered reasoning is generally surveyed fundamentally in view of the individual's discourse. Along these lines, extraneous, approximately related, or incoherent speech sufficiently serious to considerably hinder powerful correspondence is utilized as a marker of thought issue by the DSM-IV. 

The number of latitude degrees will be larger the further away from the equator the place is located, all the way up to 90 degrees latitude at the pole