Question

why bread have a expiry date, of only 3-4 days ​

Answer 1

Answer:

Explanation:

What is the shelf life of bread?

Many factors influence bread’s shelf life, which is the length of time it lasts before starting to go bad.

The shelf life of bread kept at room temperature ranges from 3–7 days but may vary depending on ingredients, type of bread, and storage method.

Type of bread and ingredients used

Sandwich, loaf, or bakery breads available at the store often contain preservatives to prevent mold and increase shelf life. Without preservatives, bread lasts 3–4 days at room temperature (1Trusted Source).

Answer 2

Answer:

Because yeast kind of bacteria  grow on food like bread