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.
Lithosphere. From the surface of the earth we stand upon down to the first 100 km inside it is the layer of the earth that is known as Lithosphere. Thus, the outermost layer of the earth that is visible to us in the form of the surface is called Lithosphere.