The correct answer is Rainforest
Step-by-step explanation:
Region A covers part of Colombia, Venezuela, Brazil, Peru, Bolivia, Paraguay, Argentina, and other smaller territories in South America. These zones differ from others due to its dense vegetation, diverse flora and fauna, and rainy, humid weather, which are features of the tropical rainforest. Indeed, in this zone, it is located the Amazon rainforest, which is the most important rainforest in South America and covers the purple or A zone in Brazil, Colombia, Peru, Bolivia, Ecuador, among others. According to this, the geographical feature of zone A is the rainforest.