1. Explain the population explosion in sub-Saharan Africa. Why is most of the growth projected to be in this region and not in India or China? Be sure to use vocabulary terms (natural increase rate, fertility rate, doubling time) in your response.

2. Why do the two groups, the United Nations and the IIASA, differ on their projections for the growth of the world’s population, and how much uncertainty exists?

Select the correct answer from each drop-down menu. this map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shows a decrease in precipitation, and blue shows an increase. the maps differ based on the predicted levels of greenhouse gas emissions. the maps show that northern areas should get . southern areas will likely get . to use these maps to prepare for natural disasters in the great plains, scientists need to ask, ?