Because salinity (in concert with temperature) affects the density of seawater, it can play a role in its vertical stratification. Essentially, lower salinity water (= lower density) floats on top of higher salinity water (= higher density).
Alternative definition, a choice limited to one of two or more possibilities, as of things, propositions, or courses of action, the selection of which precludes any other possibility: You have the alternative of riding or walking. See more.
Report Abuse. an argument is an to go aganist something and you trying to prove someone wrong but an explanation is a simple explanation the interpretation, meaning, or sense given in explaining on something. Source(s): my brain (you welcome). maghadeera Â· 8 years ago. Thumbs up. 2. Thumbs down. 0.