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ahh_risa ahh_risa
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6 years ago
Living systems are:
 
  a. closed systems exchanging only energy with the surroundings.
  b. isolated systems that are totally contained.
  c. open systems exchanging only energy with the surroundings.
  d. open systems exchanging both energy and matter with their surroundings.
  e. none of the above.
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JenkinasJenkinas
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6 years ago
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Thank you, thank you, thank you!
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