Answer:
c. Secret societies taught standards for personal conduct.
Explanation:
Most of the secret societies in West Africa were the tribal people and they lived by their own traditions and customs. They live in their origin merely the development of tribes that they belong. They are highly orthodox people and stick to their personal beliefs. These societies taught men and women to follow the standards of their personal conduct.
Hence the correct option is (c).
The Ganges River flows into the see into the Bay of Bengal, where it separates into many smaller streams in the Ganges Delta.
According to a website, it describes how Earth's outer shell is divided into several plates that "glide over the mantle (which is the rocky inner layer)"
So, basically, it's talking about how the Earth's crust is structured.
Definition: a theory that is describing (or explaining) the structure of Earth's crust