Leopold Most Likely Describes the "Land Pyramid" to

Leopold most likely describes the "land pyramid" to

A) argue that nature is not inherently normative.
B) provide a description of a mechanism that "we can see, feel, understand, love, or otherwise have faith in."
C) give a detailed description of how plants absorb energy from the sun.
D) argue that even the noneconomic parts of the "biotic clock" have economic value.