Which Observation Best Supports the Argument That That Human Population

Multiple Choice

Which observation best supports the argument that that human population of the Earth is still below its long-term carrying capacity?

A) Climate change is occurring.
B) Marine ecosystems are being degraded.
C) Freshwater ecosystems are being degraded.
D) Wind and other renewable sources of energy are replacing fossil fuels.
E) Maintaining current levels of agricultural production depends on fertilizers derived from natural gas.