Rhodopsin is a pigment in the retina that allows the eyes to see in dim light. It is part of the rod cells that are responsible for night vision. Rhodopsin is found in the membrane of the retina. The retina is the part of the eye that contains cells that detect light.
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It is false that Freud identified four levels of consciousness.
As a matter of fact, he identified three:
1. the preconscious - things that have the potential to become conscious
2. the conscious mind - things you are aware of
3. the unconscious mind - things that exist but you are not aware of
The Erie Canal made westward expansion possible by connecting the Hudson River to Great Lakes. This connection made it easier to move goods west.
Answer:
He thought that he had landed in India.
Explanation:
Originally, Columbus mistakingly believed that the Americas were in fact India. This is why he said he was in the "Indian sea" and why he called the natives "Indians"