It is known as Desalination. Hope that helps :)
<span>Ash and lava fragments that cascade down the sides of a volcano eventually settle and lithify to form </span>welded tuff
In. my perspective refugees are people that come from other countries or people that escaped war. In other words<span> refugee is a person who, being outside his country of nationality or habitual residence; has a well-founded fear of persecution on account of his race, religion, nationality, membership in a particular social group, or political opinion; and is unable or unwilling to avail himself.</span>
Actually there are a number of geological specialists who study Plate Tectonics: Geo-dynamicists, structural geologists, geophysicists (including seismologists - earthquake scientists), vulcanologists. I'm not sure there is one term for those who study plate movemennts through time though.