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    • Member Info
      • Native Language:
      • Chinese
      • Home Country:
      • Taiwan
      • Current Location:
      • Taiwan

    • Join Date: Dec 2003
    • Posts: 514
    #1

    that is?

    "A freshwater algae that is a rich source of nutrients, chlorella binds to heavy metals and chemicals that have accumulated in the body."

    Why would this sentence use "that is"? Is it addressing the same meaning as "A freshwater algae is a rich source of nutrients. Chlorella binds to heavy metals and chemicals that have accumulated in the body."?

    • Member Info
      • Native Language:
      • British English
      • Home Country:
      • UK
      • Current Location:
      • Laos

    • Join Date: Nov 2002
    • Posts: 57,864
    #2

    Re: that is?

    Not all freshwater algae are a source, but chlorella is.

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