ANSWER:
The "length of time" for which a product remains usable or saleable is called shelf life.
EXPLANATION:
- The maximum time that a product can be stored and used is known as shelf life.
- It plays a vital role in the "life cycle of a newly developed product" and also responsible for labeling the product with an expiry date, best before date, etc.
- The proper labeling reduces the rate of customer complaints in the desired product.