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.
Rocks are weathered by frost action when water fills in a crack and freezes into ice causing the crack to expand. This weathers the rock this thaws the rock and greatly damage â¦ s all of the weathering processes. 9 people found this useful.ny water that gets into cracks or crevices in rocks can cause mechanical weathering when it freezes on a cold morning. The water expands as it cools causing the rock around i â¦ t to crack.