yes
yes corn flakes is made up of mostly corn but also bread
Corn flakes are from food-grade field corn. Sweet corn is pretty much grown for canning, freezing, or fresh eating.
Field corn, which is sometimes known as dent corn.
The primary material is corn. It is cooked up and made into flakes.
Corn. With usually added sugar, and possibly colouring and other flavourings. Corn, sugar, most likely a coloring agent and preservatives.