In a sandwich shop, there are many different ways to make a sandwich. the type of bread is the most important part of the sandwich. in a typical shop, there are two types of bread: white and whole wheat. white bread is a light bread made of wheat flour. it usually has a white appearance from the bleach that is used to remove yellow coloring. white bread uses one healthy part of the wheat berry that makes up wheat flour. whole wheat bread is dense brown bread made of wheat flour. it has all three healthy parts from the wheat berry. whole wheat bread is also high in fiber.

identify the text structure of the passage.
a. classification
b. cause and effect
c. compare and contrast
d. definition