Which of the Following is Not a Source of Inorganic

Question

Which of the following is not a source of inorganic nutrients in ecosystems?
A) aerosols
B) alluvial deposition
C) weathering
D) loess
E) none of the above

Accepted Answer

All the options listed (aerosols, alluvial deposition, weathering, and loess) are sources of inorganic nutrients in ecosystems.