"<em>Big Apple</em>" is a nickname for New York City. It was first popularized in the 1920s by John J. Fitz Gerald, a sports writer for the New York Morning Telegraph. Its popularity since the 1970s is due in part to a promotional campaign by the New York tourist authorities.
Answer:
It is thicker below mountains than in valleys.
Happy to help
pls mark as Brainliest.
