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.
Weathering is the process that breaks rocks down into smaller pieces. Weathering can be caused by: wind, rain, ice, running water, plant roots, chemicals, freezing and thawing. Erosion is the movement of rock pieces from place to place. Erosion can be caused by: wind, rain, running water, waves, gravity, and moving ice.