Figure 51.10 -Projections for Earth's Human Population by 2050 That Were Made

Figure 51.10
-Projections for Earth's human population by 2050 that were made in 1992 were much higher than those made in 2002. Which of the following did NOT likely contribute to this change in projection?

A) Deaths from AIDS have significantly increased since 1992.
B) Human fertility rates in developing countries have significantly decreased since 1992.
C) The number of developed countries has significantly increased since 1992.
D) The birth rates in developed countries have decreased since 1992.