Question : Which aspect of early urban centers is crucial for their sustainability?
Option 1: Military fortifications
Option 2: Efficient waste management systems
Option 3: Access to natural resources
Option 4: Presence of religious institutions
Correct Answer: Efficient waste management systems
Solution : Efficient waste management systems are crucial for the sustainability of early urban centers, as they help maintain hygiene and prevent the spread of diseases, contributing to the overall health and well-being of the urban population.