Answer: (C) Both (A) & (B)
Explanation: Bacteria such as Azotobacter and Azospirillum fix nitrogen from the atmosphere while free-living in soil, enriching the nitrogen content of the soil.
Answer: (C) Both (A) & (B)
Explanation: Bacteria such as Azotobacter and Azospirillum fix nitrogen from the atmosphere while free-living in soil, enriching the nitrogen content of the soil.