Answer: architecture, and good construction engineers.
Explanation: hope this will help you
The Amazon River is the world's longest river, measuring 6 992 km.
It is located in the Aburrá Valley, a central region of the Andes Mountains in South America.
Refers to a variety of non-linear mathematics in which a number sequence, when graphed, exhibits initial numbers that track or rise relatively horizontally along the x-axis of a graph