Answer:
a token economy
Explanation:
In a nutshell, we can say that a token economy is a system that seeks to reinforce the execution of beneficial behavior for an individual. In this type of reinforcement, each time an individual behaves in the desired and correct way, he receives a card, or any other object, which will serve as a token for him to exchange for a reward, after accumulating a specific number of tokens. An example of this is seen in the question above, where Simon's caregivers wanted him to interact more with people. So, whenever he interacts with someone, he gets a red card that he can accumulate to exchange for a prize.
As the kangaroo is performing the action of moving, for which it needs a structure and coordination, the cell theory best described in such situation is the one that states that the cell is the basic unit of structure and organization in organisms.
The prosecutor because he/she is the chief.
Agriculture means the practice of growing crops or raising animals.
