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 surface of the Earth is called the crust which is geological  terms is the outermost layer of planet or satellite. In the case of  the Earth, the crust is composed of â¦ igneous, metamorphic and  sedimentary rocks and is about 20miles to 50miles thick on the  continent and about 3 to 6miles thick in the ocean.