Answer:
What Is the Silk Route?
The Silk Route was a historic trade route that dated from the second century B.C. until the 14th century A.D. It stretched from Asia to the Mediterranean, traversing China, India, Persia, Arabia, Greece, and Italy.
It was dubbed the Silk Route because of the heavy silk trading that took place during that period. This valuable fabric originated in China, which initially had a monopoly on silk production until the secrets of its creation spread. In addition to silk, the route facilitated the trade of other fabrics, spices, grains, fruits and vegetables, animal hides, wood and metal work, precious stones, and other items of value.
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Answer: it is called conservation
Explanation:
Conservation states that there is a logical thinking ability that allows a person to determine that a certain quantity will remain the same despite adjustment of the container, shape, or apparent size, according to the psychologist Jean Piaget.