South America is surrounded by the _________ and _______ oceans.

Which South American country is highlighted in green?

The Amazon ______________ acts like a filter for the environment.

This south American river is the largest:

Check all the natural resources of South America

South America is experiencing ________________ because the educated population is migrating to other countries.

The biggest problem that the Amazon rainforest is experiencing is:

Examine remains from the Incas' civilization. Identify two available natural resources that made the building of these structures possible.