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OpenStudy (briellshaw):
Which of the four physical systems deal with air? A. Hydrosphere B. Lithosphere C. Atmosphere D. Biosphere
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OpenStudy (anonymous):
Atmosphere
OpenStudy (briellshaw):
u sure??
OpenStudy (anonymous):
yes it is C
OpenStudy (anonymous):
Hydro=water litho=ground Atmo=air Bio=life
OpenStudy (hijacktrolo):
ummmmmmm this is not math |:/
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