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What is nitrification?
1) Nitrification is the conversion of nitrate to nitrogenous compounds such as ammonia.
2) Nitrification is the conversion of nitrate into nitrite.
3) Nitrification is the conversion of ammonia into nitrite.
4) Nitrification is the conversion of nitrogenous compounds to nitrate.

Respuesta :

Nitrification is the biological oxidation process involving the conversion of ammonia (NH₃) or ammonium ions (NH₄⁺) to nitrite (NO₂⁻) and then further to nitrate (NO₃⁻). Therefore, the correct option is:

3) Nitrification is the conversion of ammonia into nitrite.

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