Question

question 1-2 when dead plants decompose, nitrogen is returned to the soil. which two spheres are included in this description? atmosphere and geosphere biosphere and geosphere biosphere and hydrosphere geosphere and hydrosphere

Explanation:

Dead plants are part of the biosphere. The soil is part of the geosphere. When nitrogen is returned to the soil from dead - plant decomposition, the biosphere and geosphere are involved.

Answer:

C. biosphere and geosphere