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Biology 12 Online
OpenStudy (anonymous):

No system is completely closed off from its surroundings. Which represents a system that is almost completely closed? A. a wood-burning fireplace B. a washing machine C. a capped soda bottle D. a pot of boiling water I thinks its C.

OpenStudy (smartanne):

Yup C is correct!...let me know if you need an explanation

OpenStudy (anonymous):

thanks a ton :)

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