Army Award for. Maintenance Excellence. The Army Award for Maintenance Excellence award winner displays an expertise and professionalism in performing their tasks. Each unit is evaluated on their effectiveness in ensuring that Soldier competency is maintained.
The pedosphere is the outermost layer of Earth's continental surface and is composed of soil and subject to soil formation processes. It exists at the interface of the lithosphere, atmosphere, hydrosphere and biosphere. The total arable land is 10.9% of the land surface, with 1.3% being permanent cropland.
The outermost chemical layer is the crust. The outermost physical layer is the lithosphere (the crust plus the attached uppermost mantle). The outermost chemical layer is the crust. The outermost physical layer is the lithosphere (the crust plus the attached uppermost mantle).