Answer:
reversibility
Explanation:
For Piaget, the cognitive development of the human being begins from the moment of his birth and becomes more efficient and comprehensive as this individual ages and his brain is trained more intensively. For Paiget, this development occurs at stages that are related to the age of the individuals.
Within this theory, Piaget, developed the concept of cognitive reversibility, which is the stage in which a child manages to develop logical thinking, where he is aware of size, quantity, movements and any other situation that is logical.
As we can see in the question above, the youngest nephew has difficulty understanding that if no material is removed from the ball, it will have no less material, even if it is rolled on a long surface. This is a logical concept that the child has a hard time understanding because his cognitive knowledge is still weak in reversibility.
People get atracted to video games because they are fun.
The president as chief legislator helps to check and balance out the legislative branch, also it helps to call under his cheif citizen role because he can Veto bills that are proposed and will harm more than help the nation and the American citizens.
To avoid increasing the flow of money, to prevent inflation
