Vocabulary 6
Atmosphere: The envelope of gases surrounding the earth or another planet.
Noun: Part of the sun's energy is absorbed by the earth's atmosphere.
Biosphere: The regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
Noun: All of the ecosystems in the world make up the biosphere.
Geosphere: Any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
Noun: cycle is through direct emissions from burning fossil fuels, which transfers carbon from the geosphere into the atmosphere.