The presence of the Andes Mountains in South America has resulted in all of the following except... a. More densely populated...

The presence of the Andes Mountains in South America has resulted in all of the following except...

a. More densely populated populations allong the Northern and eastern coasts

b. Th eneed to learn techniques for terrace farming

c. restricted travel from the pacific coast to the interior of south america

d. deforestation of the rainforest