What is this timer-like on the lid of my tupperware??

One of the functions of the endocrine system in the body is to what

The nutrient facts label on a food package lists the following: iron 50%. what does this figure indicate?

Esther works at a large hospital where she plans food service programs she monitors an records information regarding patients diets and intake and is devoloping a new meal plan that addresses several different dietary needs for many types of patients esther enjoys her work as she feelss that she is patients develop healthier habits