1 Air-Altitude, Density and Specific Volume-The density and the specific volume of air varies with elevation above sea level.  Tag Search.
What is the natural process that causes rocks to break down? Weathering from mechanical and chemical means is the process that causes rocks to become smaller and smaller; wind, rain, the sun, the freeze/thaw cycle, moving glaciers, chem â¦ ical reactions, and gravity are some of the causes of weathering.
The same thing can happen to rocks.is the process by which natural forces break downrocks. In this section you will read about two kinds of weathering.One kind occurs when a rock is physically broken apartâlike thecracked sidewalk. Another kind occurs when a chemical reactionchanges the makeup of a rock.