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.
What is the natural process that causes rocks to break down called? erosion: What breaks rocks into smaller pieces without changing them chemically called? mechanical weathering: What is the freezing and thawing cycle that breaks rocks apart called? ice wedging: Name two things that exert pressure on rocks: plant roots burrowing animals