Question

where is the phosphorus cycle primarily conducted?
in volcanoes and lightning
in air and volcanoes
in water and atmosphere
in soil and plants

Explanation:

The phosphorus cycle is a biogeochemical cycle. Phosphorus is mainly present in rocks and minerals. It is weathered from rocks and enters the soil. Plants take up phosphorus from the soil. So it is primarily conducted in soil and plants.

Answer:

In soil and plants