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If the Moon is relatively far from Earth, so that its umbra does not reach Earth, someone directly behind the umbra will see
Eric Kandel
A neuroscientist known for his research on the physiological basis of memory storage in neurons.
B. F. Skinner
An American psychologist best known for developing the theory of behaviorism and for his work on operant conditioning.
Sigmund Freud
An Austrian neurologist and founder of psychoanalysis, known for his theories on the unconscious mind and psychosexual development.
Arrangement Problem
A situation or task that involves organizing or arranging elements in a particular order or configuration.
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