Answer:
The correct answer is B. The Amazon River Basin is a physical characteristic of South America.
Step-by-step explanation:
The Amazon River is a river located in South America, which begins in the Andes, in Peru, and runs through Colombia and Brazil until it empties into the Atlantic Ocean, near the city of Macapa.
This river has a basin of more than 7 million square kilometers, with which it expands its influence to countries such as Bolivia, Ecuador, Venezuela, Guyana, Suriname and French Guyana. In this way, it influences directly or indirectly in almost all the countries of South America, with the exception of Argentina, Chile and Uruguay.