Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


an elevated plain between the Andes' two great mountain ranges

Amazon River

the world's largest river in volume


South America's greatest mountain range

Atacama Desert

the driest region of South America, in northern Chile and southern Peru

Brazilian Highlands

highlands which extend inland along Brazil's southeastern coast

buffer state

a country between two larger, more powerful countries


a native group of the Colombian Andes

El Nino

an event in which the eastern Pacific Ocean is warmer and the climate is much wetter than normal

Gran Chaco

a hunting land between the Andes and the Brazilian Highlands

Guiana Highlands

ancient eroded highlands in southern Venezuela


South America's greatest early civilization


when a country has no border on the ocean

La Nina

when Pacific waters are colder than normal


large estates spread across the Pampas


a plains area in Northeast Colombia and western Venezuela


a tropical plant with starchy roots


an organization to expand trade, improve transportation, and reduce tariffs among member countries


small farms with poor land

Orinoco River

one of South America's great river systems, which drains the western Guiana Highlands and the Llanos, and empties into the Atlantic Ocean


wide grasslands in Argentina

Parana River

the longest river in South America, which flows into the Rio de la Plata estuary between Argentina and Uruguay


a semiarid landform south of the Pampas which stretches all the way to Tierra del Fuego

ranchos, callampas, favelas

Venezuelan, Chilean, and Brazilian names for slums that surround major cities

Rio de la Plata

an estuary between Argentina and Uruguay

tar sands

rock or sand layers that contain oil


a chain of high plateaus near the Guiana Highlands


the use of fear and violence as a political force

Tierra del Fuego

an island divided between Argentina and Chile

tree line

the line of elevation above which trees do not grow

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording