What theories are supported by modern historians as reasonable explanations for the decline of Mayan civilization?(1 point)%0D%0AResponses%0D%0A%0D%0AThe overpopulation, environmental degradation, and drought theories.%0D%0AThe overpopulation, environmental degradation, and drought theories.%0D%0A%0D%0AThe overpopulation, environmental degradation, and warfare theories.%0D%0AThe overpopulation, environmental degradation, and warfare theories.%0D%0A%0D%0AThe overpopulation, disaster, and warfare theories.%0D%0AThe overpopulation, disaster, and warfare theories.%0D%0A%0D%0AThe overpopulation, environmental degradation, and social unrest theories.

The overpopulation, environmental degradation, and drought theories are supported by modern historians as reasonable explanations for the decline of Mayan civilization.