| − | Those "non-biological" factors that are involved in a person's surroundings such as the nature of the person's parents, the person's friend, and the person's behavioral choices.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> | + | Those "non-biological" factors that are involved in a person's surroundings such as the nature of the person's parents, the person's friend, and the person's behavioral choices.<ref>Wile, Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998.</ref> |