Infographic 28.4. -Refer to Infographic 28.4. in the Graph, Robert Constanza and Graph

Multiple Choice

Infographic 28.4.

-Refer to Infographic 28.4. In the graph, Robert Constanza and his colleagues quantified the value of some ecosystem services of forests. Nutrient cycling was considered more valuable than the harvesting of raw material, food production, and cultural uses. Why might they have given nutrient cycling such a high value compared with the other services?

A) Without nutrient cycling, the forests could not provide their other services.
B) If the nutrients of the forests were processed artificially, the costs would be enormous.
C) It provides for the storage, internal cycling, processing, and acquisition of nutrients.
D) A, B, and C all contribute to the high value.
E) None of these answers explains the high value.