The nutrition facts label on a food package lists "iron 50%." what does this figure indicate?

This means that consuming the food inside this package provides the consumer with 50% (or half) of the Daily Value of Iron that they need to consume per day.

1) it’s good for teens to be aware because it could guide healthy decisions and what makes them happy. it’s best to know cpr so it can save a life. since most people don’t do it when needed because they’re afraid of hurting the person (idk the rest but i could only with that )