A. 1620
The year 1620 was carved into the stone to mark the year the Pilgrims arrived.
Answer:
The answer is equilibrium and disequilibrium.
Explanation:
Accoring to Jean Piaget's theories, equilibrium and disequilibrium refers to a situation in which the relationship between old and new knowledge is balanced. This enables a person to create new mental links, and was described by Piaget as the foundation of cognitive development.
<span>B) The nail moved to the magnet is the answer</span>