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.
Where the plates meet, their relative motion determines the type of boundary: convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along these plate boundaries. The lateral relative movement of the plates typically ranges from zero to 100 mm annually.
Tectonic plates are segments of the Earth's lithosphere, the hard  rocky outer shell composed of the crust and the uppermost mantle.  This shell is divided by lines of faultâ¦s, ridges of plate creation,  and zones of plate destruction.