A sustainable yield is
A. the average rate at which a renewable resource can be used without reducing its available supply.
B. the lowest rate at which a nonrenewable resource can be used without reducing its available supply.
C. the highest rate at which a nonrenewable resource can be used without reducing its available supply.
D. the highest rate at which a renewable resource can be used without reducing its available supply.
E. the lowest rate at which a renewable resource can be used without reducing its available supply.
Answer: D
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