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Choose the correct alternative

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  1. Feb 8, 2016 #1
    1. The problem statement, all variables and given/known data
    The useless remnant that are produced from substances catabolism are separated by:
    rectum
    exhalation
    excretory system
    rectum and excretory system
    2. Relevant equations


    3. The attempt at a solution
    I think it is the last, but it may also be the second because we have the burnt of glucose.
     
  2. jcsd
  3. Feb 10, 2016 #2

    DaveC426913

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    Gold Member

    Very strange question. Is this the exact wording?

    In particular, the use of the word 'separated'. I would have expected 'removed', 'expelled' or 'emitted'.
     
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