Answer: b. the maya had to learn farming techniques to clear the dense rain forest.
The Maya was a Mesoamerican civilization that lived in what is now southeastern Mexico, Guatemala, Belize, western Honduras and western El Salvador. The region were the Maya lived mostly consists of lowlands, which means that the Maya did not have to adapt to live in high elevations. The abundance of water in the region also meant that they did not rely on building causeways and canals. However, the main problem that the Maya had was having to clear the dense rain forest.