Dave washes his hands at least 50 times per day, even though his hands are rarely dirty. dave’s behavior is an example of

Obsessive-Compulsive Disorder, (OCD) or Tourettetes'Syndrome.

Explanation:

balearic sea - is a body of water in the mediterranean sea around the balearic islands. baltic sea - is a mediterranean sea of the atlantic which is enclosed by scandinavian and baltic countries. barents sea - is a marginal sea in the artic ocean located off the northern coast of norway and russia.