vocabulary 6
atmosphere: the envelope of gases surrounding the earth or another planet.
noun:The street is full of bars and restaurants with atmosphere.
biosphere:the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms
noun:Our biosphere is in the middle of a great challenge.
geosphere:any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
noun:These are called, respectively, the geosphere, biosphere, and noosphere.