Answer:
Positive reinforcement.
Explanation:
Positive reinforcement is a method in psychology, that refers to the introduction of a <em>desirable or pleasant stimulus after the behavior.</em>
Desirable stimulus reinforces the behavior, which makes it more likely that the behavior will reoccur in the future.
In this case, Joe's boss allowed him to leave early because he did a good job that day, so he got to finish his shift early and enjoy his free time. His boss is hoping that he will continue to do good work due to his generous act.
Answer:
Size of the court
Explanation:
In the game of tennis, there could be a singles match typically involving just two players, or a doubles tennis which involves four players. The rule modified for the doubles tennis is that a wider court is used since there are more players involved.
Each player can serve the tennis after the fourth game. The server and receiver can stand at any side of the court even though it is ideal that they maintain one side.
Our eating habits can be directly linked with certain diseases. Eating foods high in sodium, sugar, cholesterol, and fat everyday for years on end will put you at much higher risk. Diseases such as Type 2 Diabetes, Heart attack, and stroke can all be linked with eating patterns.
The Answer to the question
A. Nitrogen