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.
Spain: Spanish officials closed off the lower Mississippi to U.S. shipping.
Great Britain: They forced American merchants to pay high tariff.
Answer:
I wanna talk but I can't by
Answer:
disobedience to the law, vandalism of public property and attempt on the life within cities
population density, class disparity, heterogeneous communities, xenophobia, marginalization, police brutality
Explanation:
-Ming Dynasty.
-Zhu Yuanzhang's army eliminates the military forces of the Yuan Dynasty.
-Zhu declares himself the emperor of China.
-Construction on the Great Wall of China begins.
-Maritime trade is banned in China.
-Construction begins on the Forbidden City.
-The fourth Chinese domination of Vietnam begins.
