Why can Freud's conception of consciousness be compared to an iceberg?

Answer:he compared the iceberg with the mind because he create a theory. He said that the top of the iceberg is the conscience part, because is the part that you can see. then the middle of the iceberg is the preconscious, it is on our mind in the middle of conscience and

unconscious. And finally the part of the iceberg that is under the water, is the unconscious part of the mind.