Select the correct answer from each drop-down menu. 2 shaded maps alongside show the Great Plains of the United States, 9 central States. Lower Emissions Scenario (Left), Higher Emissions Scenario (Right). Below, Precipitation Change in Percent on a scale of 0 to minus 40, and 0 to greater than 40. 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, ?