Menlo Park, an industrial research lab, was considered one of Edison's greatest creations because B. it was the location of numerous inventions.
Explanation:
Thomas Edison was nicknamed "The Wizard of Menlo Park" after the invention of the phonograph at this location because many inventions were fullfilled, such as a carbon button transmitter, the first underground electrical system, a prototype electric railway, an incandescent light bulb, and more.
