But they come with their own little USB adapters. Lol. dont trust any computer without bluetooth built-in from default, this is like asking if you want a notebook without wi-fi. Bluettoh mouses have the advantage that they dont use 1 USB port, as bluetooth is a hidden antena within the notebook.
Definition of arkose. : a sandstone characterized by feldspar fragments that is derived from granite or gneiss which has disintegrated rapidly.
Arkose-a sedimentary rock similar to sandstone. Banded iron formation-a fine grained chemical sedimentary rock composed of iron oxide minerals. Breccia-a sedimentary or tectonic rock composed of fragments of other, broken rocks. Chalk-a sedimentary rock composed primarily of coccolith fossils. Chert-a fine grained chemical sedimentary rock composed of silica. Claystone-a sedimentary rock formed from clay.