Plz help it I might be wrong just checking what other people think

To avoid food poisoning, perishable items should not be stored in the refrigerator for more than days.

How could you find out if that advice is based in scientific evidence?

Which of the following is not true about a good stretching routine? a). can be hurried up once have it memorized b). improves issue elasticity and flexibility c). should last a minimum of five minutes d). prevents injury and increase athletic performance