Answer the following question given this paragraph: 

Packaged foods are required by law to carry a nutrition facts label, like the one in Figure below . The labels show the nutrient content and ingredients of foods. Reading labels can help you choose foods that are high in nutrients you need more of (such as proteins) and low in nutrients you need less of (such as fats).


Q: According to law, what must packaged foods carry?


A:
nutrition facts label