Question

question 4 0.5 pts the major abiotic reservoir for phosphorus is ______. rock the oceans dead organic matter the atmosphere

Explanation:

Abiotic reservoirs are non-living sources of elements. Phosphorus is primarily stored in rocks as phosphate minerals, which weather to release phosphorus into ecosystems. The atmosphere has negligible phosphorus, oceans are secondary, and dead organic matter is biotic.

Answer:

rock