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To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ pollution solution.
In the ocean, there are areas where there are very few living things.

_________________________ is the term that describes when this happens to a natural area.

Please help!!!!!!! This is the last science questions of the year!!

  • Science - ,

    Water pollutn,and i thnk d 2nd gap z...

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