Question

14. _______________ & _______________ are the nitrogenous sources​

Answer 1

Answer:

Sources of nitrogen

Chemical fertilizers or animal manure is commonly applied to crops to add nutrients. ... Nitrate can also be formed in water bodies through the oxidation of other forms of nitrogen, including nitrite, ammonia, and organic nitrogen compounds such as amino acids.

Explanation:

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Answer 2

Answer:

ammonium salts, ammonia, are two nitrogenous sources