Describe how nitrogen cycles between hydrosphere and lithosphere

Explanation:

Like carbon, nitrogen has its own biogeochemical cycle, circulating through the atmosphere, lithosphere, and hydrosphere (Figure 5). ... In this symbiotic association, the bacteria become encased in nodules that grow on the roots of plants, through which nitrogen that has been fixed by the resident bacteria is obtained.

b is the best answer for this question.

answer; i believe that the correct answer is (light);