By 2000, Middle-Income Developing Countries Were Responsible for About

Multiple Choice

By 2000, middle-income developing countries were responsible for about

A) one half of the emissions of greenhouse gases of those of developed countries.
B) two thirds of the emissions of greenhouse gases of those of developed countries.
C) about the same amount of emissions of greenhouse gases as those of developed countries.
D) more than the emissions of greenhouse gases of developed countries.