provide a brief summary of at least two (2) reasonable and scholarly theories, history homework help

No one can say for certain what happened to the great urban Mayan civilization, but theories abound and include varied possible alternatives to explain the relatively abrupt and mysterious disappearance of the Mayan civilization.

Clearly state the “mystery” and provide a brief summary of at least two (2) reasonable and scholarly theories which could explain the mystery. Because some theories may sound far-fetched, include the source or promoter of each theory – such as a scientist, a historian, a theologian, etc.
After summarizing at least two (2) scholarly theories, identify one (1) of the theories as the most plausible and provide at least two (2) convincing reasons why the theory you have chosen is the best one to explain the mystery. This will involve some critical reasoning skills on your part.
Use at least two (2) sources plus the class textbook. (Three [3] sources total as the minimum) Note: Wikipedia and other similar Websites do not qualify as academic resources. You are highly encouraged to use the Resource Center tab at the top of your Blackboard page.