During the 14th century, the Black Death became a widespread epidemic primarily because of 2) Chinese overseas exploration. More specifically, the Black Death was spread through the Silk Road, because it started on the plains of Central Asia and was brought back to Europe, where it lived off rats that would go on merchant ships all around the continent. The Black Death massively reduced the European population by up to about sixty percent.
Answer:
1. Invalid and weak
2. Invalid and strong.
Explanation:
The first argument does not present statements that support and justify it and for that reason, we can consider it a weak argument. In addition, the conclusion of the argument is not consistent with its premise, presenting a fallacy and causing wrong reasoning, which shows that the argument is invalid.
Similarly, the second argument has a conclusion that contradicts the information shown above, which invalidates the argument. However, the argument presents additional information that can support and justify it, for this reason, we can consider it a strong argument.
Answer: Principle of motion economy.
Explanation: principle of motion economy developed by Frank and Lillian Gilbreth are guidelines to help determine the work method, workplace layout, tools, and equipment.
The aim of this is to help in identifying and replicating one best way to complete a task and also minimize the physical and perceptual loads imposed on people engaged in that task.
Answer: Zone of proximal development
Explanation: The zone of proximal development could be explained as the difference between the period when a child begins to develop signs of independence, that is ability to perform task without adult tutelage or guidance and the period of child dependence, that is when a child can only perform task only with the help or assistance of an adult.
As the child starts to demonstrate signs of independence or capability, that us showing signs of having acquired enough and ripe to do things on his/her own, adult assistance is being withdrawn so the child could have more liberty. This shows adults' direct involvement in the children's zone of proximal development.