Question 1
What is major factor in the poor air quality in Mexico City and Santiago?
◦ thermal inversion layers
◦ high-emission buses
◦ suburban train systems
◦ conversion of major boulevards to bike paths
◦ the large number of parks
Question 2
What is the Altiplano of Latin America?
◦ the area where the Amazon Basin reaches its greatest depth
◦ the flat, low-elevation plain where Panama meets Colombia
◦ the high-altitude plateau in Peru and Bolivia where the Andes Mountains reach their greatest width
◦ the desert area of southern Argentina
◦ the central region of the Brazilian Amazon