Refer to the Graph

Multiple Choice

Refer to the graph. Which conclusion can be drawn from the graph about the value of sustainable ecosystems, compared with the value of those converted entirely to human use?

A) Their value is only slightly greater.
B) Their value is generally several times greater.
C) Their value is generally several times less.
D) The values shown are estimates and are therefore meaningless.
E) The values shown are meaningless because ecosystems have no dollar value.