Answer:
A) NPP = GPP - R
Explanation:
NPP is the abbreviation of net primary productivity while
GPP is the abbreviation of gross primary productivity and
R is used for Respiration.
NPP = GPP - R
The equation used to determine the overall productivity of a system where the NPP or Net Primary Production is equal to the GPP Gross Primary Production minus the R or Respiration.
The NPP determines the plants overall efficiency in the ecosystem.
