Answer:
Rubber and logging in the Amazon and ranching on the Savannas
Step-by-step explanation:
Amazon made up around 54% of the world's primary forest. If we see this in an economic point of view, Amazon rainforest has the highest reserve of renewable natural resources in the world. it contain a wide variety of woods that can be used for logging and high variety of crops /fruits.
Rubber and Logging made up around 21% Of total exports from Brazil , making them the most dominant economic activity in that region. For the Savannas, Ranch-related products (Such as cattle foods and animal meats, ) made up around 11.4% of Brazil's total expert and market the most dominant economic activity in Savannah.