Answer:
Irish physicist John Tyndall
Explanation:
The greenhouse effect was discovered in 1896.
The Southern States that seceded from the United States called themselves The Confederate States of America. Its military members were called Rebels
The United States was the northern states. Its military was called the Union Army.
<span>The correct answer is partial reinforcement<span>.
Partial reinforcement refers to a reinforcement schedule, wherein a behavior is reinforced sometimes rather than all the time. Research studies indictae that partial reinforcement is a powerful tool in shaping and maintaining behavior. In this instance, where John sometimes rewards his daughter for excusing herself, he is using a partial reinforcement schedule.</span></span>
