【单选题】Witkins rightly argues that population may be deemed a valid sustainable development indicator—that sustainability can only be implemented by limiting population below the carrying capacity of the Ear...
A.
What accounts for the difference in rates of consumption in certain countries?
B.
What is the numerical factor by which per capita energy consumption exceeds physiological energy requirements?
C.
Which countries tend to have more sensitive ecosystems, those with small or large populations?
D.
What factor in calculating sustainability has Witkins neglected to consider in his theory of global development?
E.
What evidence is there for the notion that higher rates of consumption can be more important than population rates in calculating the impact of development?