Answer:
D. the richness of the soil enables the Andean countries to export a wide variety of crops.
Explanation:
It is called a drainage basin
Answer: Exactly the same way since the very begining of our existence?
Explanation: Uniformitarianism suggests that the processes that rule the Earth have always been the same.
The only thing that comes to my mind and that has something to do with the disaster of Chernobyl is that all the radioactive and hazardous activity somehow could have affected the structure of the soil. It´s not pretty clear, but in practical terms, I wouldn´t build another facility on at least 30 miles around Chernobyl or Pripyat.
The United States of America
