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Answers
Explanation:
His observation was that in Pot P the concentration of nitrogenous compounds is higher, while In pot Q the observation of Moin was tha the concentration of Nitrogen compounds was seen less. The scientific thinking behind this is clear that the Pot P which contains sunflower plant is a leguminous plant which contains a Nitrogen fixing bacteria called Rhizobium which fixes the nitrogen present in the atmosphere in the soil while in Pot Q there is no such a plant.
The Conclusion is that the if leguminous plant is planted in any soil then the concentration of nitrogenous compounds would be much more than in any other soil
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