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  1. #1
    alpacinoutd is offline Key Member
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    factors that contribute to contamination

    Hello.

    Can I say some "factors" contribute to "contamination" of rivers?

    Is this sentence correct and natural?

    There are a number of factors that contribute to the contamination of rivers. Firstly, the effluent that is dumped into the rivers is a major problem that needs to be addressed.

  2. #2
    emsr2d2's Avatar
    emsr2d2 is offline Moderator
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    Re: factors that contribute to contamination

    The sentence would be OK if you didn't go on to mention something that's actually a contaminant, not a factor.

    There are many contaminants in [our] rivers. First, the effluent ...

    The effluent isn't a factor. The lack of treatment of that effluent, or the actions of a company that dumps effluent into rivers, are factors.
    Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.

  3. #3
    alpacinoutd is offline Key Member
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    Re: factors that contribute to contamination

    Quote Originally Posted by emsr2d2 View Post
    The sentence would be OK if you didn't go on to mention something that's actually a contaminant, not a factor.

    There are many contaminants in [our] rivers. First, the effluent ...

    The effluent isn't a factor. The lack of treatment of that effluent, or the actions of a company that dumps effluent into rivers, are factors.
    What about now?

    There are a number of pollutants that contribute to the contamination of rivers. Firstly, the effluent that is dumped into the rivers is a major problem that needs to be addressed.

  4. #4
    emsr2d2's Avatar
    emsr2d2 is offline Moderator
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    Re: factors that contribute to contamination

    What examples of pollutants that don't contribute to the contamination of rivers are you going to give?
    Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.

  5. #5
    alpacinoutd is offline Key Member
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    Re: factors that contribute to contamination

    Quote Originally Posted by emsr2d2 View Post
    What examples of pollutants that don't contribute to the contamination of rivers are you going to give?
    Do I have to give examples of those things that are not harmful?

  6. #6
    emsr2d2's Avatar
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    Re: factors that contribute to contamination

    No, what I was getting at is that anything that's a pollutant entering a river is, by definition, contaminating the river. It's a bit tautologous.
    Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.

  7. #7
    tedmc is offline VIP Member
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    Re: factors that contribute to contamination

    We don't normally say comtamination, but pollution of the rivers. Contamination happens with small quantities of materials, e.g. food, fuel, etc.
    Effluent is discharged from a source, e.g. factories, not dumped from them. Dumping is the transporting of effluent from a source far away from the dump site.
    Last edited by tedmc; 22-Sep-2020 at 14:49.
    I am not a teacher or a native speaker.

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