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A system contained in a larger system that supports and interacts with the larger system. Matter (energy) flows into and out of to other parts of the larger system.
A system that moves matter and energy from one reservoir (subsystem) to another without leaving the system as the levels of matter and energy remain unchanged.
The shortage and movement of a particular chemical. Explains how matter moves beteen reservoirs on Earth.
The average length of time that matter in a system remains in a given reservoir. Mass(volume)/total flux in (or out).
Characteristics of Systems
Made from individual parts to work as one. Connected to one or more other systems. If a part of the system is missing or damaged, the system won't work.
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