Which statement correctly describes the movement of nitrogen through the nitrogen cycle?


A The soil is the largest reservoir of nitrogen.The soil is the largest reservoir of nitrogen.

B Plants can assimilate nitrogen directly from the atmosphere. Plants can assimilate nitrogen directly from the atmosphere.

C Microorganisms are responsible for the movement of nitrogen for most processes.Microorganisms are responsible for the movement of nitrogen for most processes.

D The majority of nitrogen exists in the bodies of plants.