Answer:
3 main causes are
Overgrazing, Deforestation, and Farming practices
out of these it would be Overgrazing which has caused various causes of desertification whichever letter that is its kinda confusing
The Aztec civilization developed in Mesoamerica beginning in the 1200s. They created a 365-day agricultural calendar and used a sacred calendar as well. They created a writing system that was based on symbols and glyphs. There are Aztec books that remain and that share the rich depictions of Aztec legends. These books also detail the beliefs of the Aztec people and their daily lifestyle.
The Mayan people built their greatest cities between A.D. 250 and A.D. 900. They used two calendars with one being based on a solar year and one on a sacred almanac. The Maya also developed a three-symbol numerical system for recording numbers into the millions.
Both civilizations are praised because of their complexity in a time when many civilizations were very primitive. Along with the Inca civilization, these two are considered the "great civilizations." The Inca civilization is not mentioned in detail here because the civilization failed to come up with a writing system for recording information.
(please mark as brainly)
Latitude and longitude. They are the imaginary lines drawn all around the world, they give specific locations.