I believe the answer is Shaping.
Shaping is a reinforcement technique which use a reward that given gradually after the subject is showing a certain desired traits.
On parakeets, this could be done by giving them a food reward everytime they move their head closer to the place where we want it to be (closer to your cheek)
Answer:
Endorsement
Explanation:
Endorsement is a term that describes the act or action of endorsing or giving a "go ahead" or approval of something, or someone.
In other words, endorsements is defined as an acts that shows an individual or group of people give a support to something or someone.
Hence, in this case, the acts of Hugging a good friend while saying, "i think that you did well!" is an example of ENDORSEMENT.
Thick surrounding walls, its own government, and a ziggurat in the center of the city-state.
Answer:
growth in commerce and trade.
Explanation:
The Tang and Song dynasties experienced growth in commerce and trade because both used their resources wisely. The Silk Road and Grand Canal were very useful trade routes. Iron industry and printing factories provided jobs for thousands of workers, strengthening the Chinese economy.
