Final answer:
The development of religions based on natural elements can be attributed to a series of agricultural revolutions, which brought about a focus on agricultural fertility and the emergence of priestly classes.
Step-by-step explanation:
The development of religions based on natural elements, such as soil fertility, the seasons, and rainfall, can be attributed to A series of agricultural revolutions. The shift from hunting and gathering to agriculture in different regions around the world brought about a focus on agricultural fertility and deities believed to control these elements for the benefit of humanity. This shift allowed for the emergence of highly defined priestly classes and the development of more intricate religions.