Four-year-old Kanaan's mother makes him a ham and cheese sandwich for lunch. However, Kanaan refuses to eat the sandwich, stating "not like cheese." When Kanaan's mother removes the cheese from the sandwich, he still refuses to eat and again states "not like cheese." This is an example of?

The answer is irreversibility.

Explanation:

Irreversibility is a stage in child development in which children think some actions cannot be undone. Another example would be deflating a balloon or a ball in front of a child. It is likely he will think the object is unusable now.

Experts point out that children get over this stage around age seven.

the united states constitution is the supreme law of the united states. the constitution, originally comprising seven articles, delineates the national frame of government. its first three articles embody the doctrine of the separation of powers, whereby the federal government is divided into three branches: the legislative, consisting of the bicameral congress; the executive, consisting of the president; and the judicial, consisting of the supreme court and other federal courts. articles four, five and six embody concepts of federalism, describing the rights and responsibilities of state governments, the states in relationship to the federal government, and the shared process of constitutional amendment. article seven establishes the procedure subsequently used by the thirteen states to ratify it. it is regarded as the oldest written and codified national constitution in force.

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