What made it self-sufficient was whether it had enough land and serfs which could produce enough food for people to survive on the amount of food that they would produce.
Answer: shaping
Explanation: The game described above is an example of shaping also known as behavior-shaping which is a type of behavior modification technique (a variant of operant conditioning) in which a behavior is taught by differentially reinforcing successive approximations to the target behavior. In other words, successive approximations to the desired behavior is rewarded. Here, a subject is not waited upon to exhibit a desired behavior, but is rewarded when it exhibits any behavior leading to the desired behavior.
Answer:
Indeed has jobs at 13 if you search for them
Explanation:
https://www.indeed.com/jobs?q=Jobs%20For%20Teens&mna=5&aceid&vjk=b17c0d31b3083019
Scientists now use cross fertilization.
It might be incorrect but i think
<em>A because they became more s o c i a l and more populor leading to people always eating it and suffering from obesity. </em>
<em />
<em>pls give brainly :3</em>
