5. Why have cinemas sold popcorn since the 19th century? Why cannot popcorn be dissapperead from cinemas?

а)They were like the great-great-grandfathers of food trucks. Since popcorn was cheap to make, it was also cheap to buy, which increased the popularity of this treat during the Great Depression.

б)Movie theater popcorn is a concession stand staple whose scent has spawned marketing ploys and copycat recipes, but movie theaters haven't always been saturated with the tempting smell of salt and butter.

Объяснение:

And if I add, I agree with these thoughts.