Three different ways through which religions form are as follows:
<u>Response to human fear: </u>It is said that people created first religion to give people a feeling of security in an insecure world due to natural disasters.
<u>Due to human evolution:</u> evolution of human from proto-humans have the ability to pass on their accumulated knowledge to their next generation and so they created religions.
<u>Stories of human existence:</u> Different people came with their own story of human existence and created different gods and goddesses which leads to different religions.
I think it is A because the other reasons are just nonsense. Plus, A makes more sense because they wouldn't go down there to explore the Grand Canyon how they do today. I mean, maybe? But no. It's A. :)
Both joints have an ulna and a radius connected to them. Both joints are hinge joints, however humans have a complex hinge joint (allowing us to move it in more directions) while cows have only a hinge joint (can only move in one direction).