Global Systems Flashcards
1
Q
Atmosphere
A
The layers of gases surrounding the planet
2
Q
Biosphere
A
the regions of the surface and atmosphere of the earth or another planet occupied by living organisms.
3
Q
Carbon cycle
A
the cycle of carbon in the earth’s ecosystems in which carbon dioxide is fixed by photosynthetic organisms to form organic nutrients and is ultimately restored to the inorganic state (as by respiration, protoplasmic decay, or combustion)