Because of gravity... if you want a more detailed answer look it up on google!
These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). Each of these four spheres can be further divided into sub-spheres
Answer:
Localizada entre 15 e 35 quilômetros de altitude e com cerca de 10 km de espessura, contém aproximadamente 90% do ozônio atmosférico.
C passes through (1,6) and has a slope of 4
Temperature because it is directly correlated to a stars color.
