Answer:
object permanence
Explanation:
In the year 1936 Jean Piaget,a Psychologists proposed the theory of cognitive development in children. Jean Piaget started this theory after he observed his children behaviour and with this he divided the cognitive development in children into four stages which are given below;
===> sensorimotor stage: from the the time babies are giving birth till they are 2 years old. In the stage, Piaget discussed schemata.
===> Preoperational stage: this stage is from 2 years old to 4 years old.
===> Concrete operational stage: is a stage that occurs between the ages of 7 to 10.
===> Formal operation stage: this is the last stage for cognitive development in children. It occurs from the ages of 11 to adolescence.
In the USA is is the law. Medical issues are private matters between a healthcare provider and patient. If a person's private information was to "get out" it might affect their ability to get a job or they might face other predjudices Also the private insurance numbers could be used to steal someone's identity.
Food pyramid, because it is a healthy way to show what your eating, and the foods you need to cut out, and the foods you need to eat more.