According to the diagram, what sources contribute to the phosphorus found in soil? According to the diagram, phosphorus found in soil contributes phosphorus to what other sources? (Site 1)

Sources contributing to phosphorus in soil include animal waste, organic matter, fertilizer, and rock minerals. The phosphorus found in soil contributes to the growth of plants and crops, which in turn contribute to the food chain.

To answer your question about the sources contributing to phosphorus in soil and where the phosphorus found in soil contributes to, I would need to see the specific diagram you are referring to. Could you please provide more details or upload the diagram so that I can accurately assist you?