How has the Sahara impacted the population distribution of Africa?

How many people in the world’s economy work in “system d”?

What would a student most likely use if he or she wanted to consult a secondary source

What does it signify if point 1 shifts down and to the right? a. the price level and the real gdp are falling. b. the real gdp is falling, and supply is increasing. c. the price level is rising, and production is increasing. d. the price level is falling, and demand and the real gdp are rising.