The best cause is erosion creating waves and pushing forward the line where the sand starts
Answer:
Phychologists helps to answer questions about human and animal behavior. They identify behavior and emotion. Their work is important because they helps us understand our emotions and feelings.
Erik Homberger Erikson (born Erik Salomonsen; 15 June 1902 – 12 May 1994) was a German-American developmental psychologist and psychoanalyst known for his theory on psychological development of human beings. He may be most famous for coining the phrase identity crisis.