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#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
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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
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
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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
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
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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.

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