When they have a heart attack their first response is to go to a hospital, not to a place of worship. They will pray for healing, but won't reject antibiotics if they are available. They speak of responding to the voice of God, but when pressed will often admit that they interpret the will of God from subtle urging and signs within and around them rather than hearing a clear, audible voice that sounds like Charleton Heston. The third group consists of individuals who reject the supernatural more or less completely, believing that every aspect of the universe is the result of purely natural processes. In this category along with atheists and agnostics are individuals who embrace religion for its moral, spiritual, or social values, yet do not believe in a supernatural God.
Some scientists totally reject the notion of the supernatural.
Atheists believe that the roots in our tree model provide everything needed for survival. I and III tend to find science and religion contradictory. They embrace one fully and reject the other. Those who populate group II, on the other hand, find that they can easily reconcile science and religion in their lives. They assume that natural forces will prevail except on those rare occasions when the supernatural intervenes.