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