Namenda XR. Uses. Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease. It does not cure Alzheimer's disease, but it may improve memory, awareness, and the ability to perform daily functions.
The lithosphere, which is the rigid outermost shell of a planet (the crust and upper mantle), is broken up into tectonic plates. The Earth's lithosphere is composed of seven or eight major plates (depending on how they are defined) and many minor plates.
The crust (upper part) of the earth has been formed out of seven major and some minor plates. These are called tectonic plates.A Tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere.olution: The northern plain has been formed by the interplay of the three major river systems, namelyâ the Indus, the Ganga and the Brahmaputra along with their tributaries. This plain is formed of alluvial soil.