<span>At Cornell university, Gibson and walk placed infants on the edge of a safe canyon to determine whether crawling infants and newborn animals can perceive depth. this famous experiment is known as the visual cliff. The </span>psychologists Eleanor J. Gibson and Richard D created apparatus <span>to investigate depth perception.</span>
Answer:
1905: The First American Pizzeria. Lombardi's is widely accepted as the first pizzeria in the U.S., when Gennaro Lombardi began selling coal-oven pizza out of his grocery store in Manhattan's Little Italy in 1905.
Explanation:
I am pretty sure your answer would c correct me if im wrong plz but i hope this helped :)