Answer:
75%
Explanation:
In order to understand this question you need to understand the matching law first. The matching law provides the density of reinforcement or the rate of reinforcement if more than one response is available simultaneously to the individual. Here, two responses are available which are left key, 60 reinforcers per hour, and right key, 20 reinforcers per hour. This provides the ratio between the two reinforcers which is 60:20 or 3:1 in favor of left key. Here, one has to make a prediction only for left key and based on 3:1 ratio it can be said that 75% of pigeon will make their responses on the left key.
Answer:
The battle of gettysburg was the turning point in the civil war. The south appeared to be winning the war and the north looked like it was close to surrendering. If the Union had lost, they would have ended their chance at winning the civil war. That could mean that if the battle was different, potentially there could still be slavery today.
Explanation:
C makes the most sense in this case. The others are about the mistakes of the king, and not really why they rejected the idea of monarchy.