Which statement correctly describes how nitrogen in the soil returns to the atmosphere. A. Nitrogen-fixing bacteria in plant roots convert nitrates into nitrogen gas.
Nitrogen-fixing bacteria in plant roots convert nitrates into nitrogen gas.

B. Soil bacteria converts nitrates into nitrogen gas through the process of denitrification

c. Soil bacteria converts nitrates into nitrogen gas through the process of denitrification

d. Plants assimilate nitrites and convert them into nitrogen gas

e. Decomposers directly convert ammonium into nitrogen gas through the process of nitrogen-fixation