Answer :
Answer:
Brazil is the largest country in South America, encompassing around half of the continent's land area and population. The remaining countries and territories are divided among four subregions: the Andean states, Caribbean South America, the Guianas, and the Southern Cone
.Explanation:
Answer:
The three physical regions of South America: mountains and highlands, river basins, and coastal plains.
The four regions of South America: The Andean states, Caribbean South America, the Guianas, and the Southern Cone
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