Which characteristics describe middle-income nations? they are also known as more-developed countries. economies are based on advanced technology and factories. health care and educational opportunities are readily available. they are home to 70 percent of the world's population. two-thirds of the people live in cities and earn their incomes from industry.

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, ?