BOLIVIA is one of two landlocked country in south america. what is the name of the other countries?

Go to http://www.google.com and search for map south america.

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http://www.infoplease.com/atlas/southamerica.html

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The other landlocked country in South America, besides Bolivia, is Paraguay.

To find this information, you can use various methods:
1. Online search: You can search phrases like "landlocked countries in South America" or "which countries in South America are landlocked" on search engines like Google. This will provide you with multiple sources that list both Bolivia and Paraguay as the landlocked countries.
2. Geography textbooks: Textbooks covering South American geography generally mention the landlocked countries in the region, including Bolivia and Paraguay.
3. Encyclopedias: Consulting encyclopedias, either online or in print, can provide you with detailed information about countries, including their geographical features.
4. Maps: By examining a map of South America, you can identify the countries that do not border an ocean or sea, indicating that they are landlocked. In this case, you would see that Bolivia and Paraguay are both entirely surrounded by other countries and have no direct access to the coast.