PDF chapter test TRY NOW

Fill in the blanks with the correct option given below in the table:
  
DenitrificationCautionProkaryotesNitrogen fixation
Haber-BoschAssimilationcyanobacteriaDenitrification
78NitritesSoilNitrogen assimilation
MicrobialAbioticRhizobiumAmmonification
 
1. __________ is the process by which nitrogen enters the food chain in our ecosystem.
 
2. Azotobacter, and clostridium helps in fixing the nitrogen to the __________.