Leif Ericsson was an explorer from Europe, to be said that he was the first European to land in North America.
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The answer to this question is <span>when two variables are correlated, we cannot be sure what is causing the correlation.
For example, let's there is a study that found an increase in consumption in tofu lead to an increase in breast cancer.
Even if it's true that those two really correlated (let's just assume it), we wouldn't be able to know why it is correlated without further researches.</span>
Division of labor and specialization, which were promoted to a large extent by Henry Ford and Frederick W. Taylor with the goal of increasing productivity and efficiency, contribute to economic growth because the worker, by being specialized, executes one, and the same, task or job over and over again, and, as a result, the final product or service is cheaper, of higher quality, and is produced in a shorter amount of time.
It was the Scottish economist and philosopher Adam Smith (1723-1790) the one that established that division of labor and specialization were the basis of productivity growth and wealth.
Answer:
Formal Tone
Explanation:
The best description for the tone of this excerpt would be a Formal Tone. The author of this excerpt is describing the reasons as to why the nations all over the world must stop violence and pursue a more peaceful existence. The author does this by providing educational information as to why this is fighting for peace is a worthwhile endeavor. These educational and factual passages set the tone as a formal one.