E162-closedsystem - Earthasaclosedsystem *System

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Earth as a closed system *****System-  components that function together  but also work independently  collectively that do some job or perform a certain task Important characteristics: That they have boundaries Organized in a systematic way Defined by a function Open System- Can accept energy  inputs and allows energy outputs  Example: sun Matter  moved in and out of the system Closed System- Can accept energy inputs and allows energy outputs No matter can be exchanged EARTH IS A CLOSED SYSTEM Nothing on earth that is simply linear Everything on earth has to be cycled Examples in the environment: Water cycle
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Photosynthesis Energy Carbon dioxide Water Chlorophyll Oxygen released Food chain, Predator/prey cycle Agricultural/farming/growing Nitrogen cycle Eco-systems Wetlands Dessert Rainforest Anything on earth is never going to be independent it is always going to be linked  to something else. Never linear
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This document was uploaded on 10/27/2011 for the course SPEA-E 162 at Indiana.

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E162-closedsystem - Earthasaclosedsystem *System

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