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what is a pollutant found in soil?

What is found in soil but can be an actual pollutant if dumped on the soil? Then think of the many ways this item is used by humankind?

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Naina B. | Naina, a versatile tutorNaina, a versatile tutor
4.8 4.8 (155 lesson ratings) (155)
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Hi Marlaine,
 
   Soil could be alkaline or acidic and might consist of naturally occurring salts/minerals as well as acids depending upon the region. Salt could be one of the answer as Benjamin explained above, soil in the  agricultural region with close vicinity to sea is generally alkaline and unsuitable for many plants. We use vinegar and fat in cooking for our food but dumping those in soil pollutes it. However, there are some natural acids and oils that are normally present in small amount in soil.
 
  Hope this helps.
Benjamin M. | UC Student Specialized in Mathematics and Earth SciencesUC Student Specialized in Mathematics an...
5.0 5.0 (3 lesson ratings) (3)
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This question is probably looking for the answer "Salt."
 
Common table salt (NaCl) is present in the soil everywhere, but if we dump large amounts of it in the soil, plants cannot grow.
 
We use table salt for a variety of things, everything from flavoring our food to processing dangerous chemicals.
 
Like most things in the world, a little salt can be a good thing, but a lot of salt in the wrong place can be a very bad thing.