The Notion That Our Ability to Conserve Natural Resources Is

Multiple Choice

The notion that our ability to conserve natural resources is growing more rapidly than their supplies are dwindling is supported by the fact that

A) most economists do not regard the availability of natural resources as a determinant of productivity.
B) the quantity of natural resources does not enter into any production function.
C) inflation-adjusted prices of most natural resources have been stable or fallen over time.
D) inflation-adjusted prices of most natural resources have risen over time.