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how efficient can something be?

Published on Dec 13, 2015

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PRESENTATION OUTLINE

unit two

energy and ecosystems
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how efficient can something be?

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2nd law of thermodynamics

feedback loops

  • positive
  • negative
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systems

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Review

  • 2nd law thermodynamics
  • + / - feedback loops
  • systems
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how efficient can something be?

Photo by swanky