The answer is Black lung disease
Simple, most girls don’t sleep during the day unless their depressed :3
Exercise intensity refers to how much energy is expended when exercising. Perceived intensity varies with each person. It has been found that intensity has an effect on what fuel the body uses and what kind of adaptations the body makes after exercise.
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.
