Because with the fire the paleolithic people cooked their food as well as hardened their armor and weaponry. <span />
Answer:
The Hawthorne Effect
Explanation:
The Hawthorne effect (also referred to as the observer effect) explains that individuals modify an aspect of their behavior in response to their knowledge of being observed. In this study students changed their eating place during the observation period.
Income, education, and occupation are the dimensions of social class because they are used to measure the influence of a person in his social class.
Income are those earnings which a person receives as a result of what he has invested in either though work or money, or any other means.
Education is the value of being knowledgeable in certain aspects of a thing through formal or informal means
Occupation are those things which a person specializes in and earns an income.
A person's social class is the concept or value where the worth of a person is measured.
These three factors are all dimensions of a person's socual class and is used to measure the worth of a person.
Therefore, a person's social class is measured by his income, education and occupation.
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"Patrick Moore", who hosted the BBC program "The Sky at
Night" for more than 50 years; and just missed one episode.
He missed just a single episode when he was sick because of
an episode of food poisoning. Moore was a productive author on space science
whose exploration was utilized by both the U.S. and the Soviet Union in their space
programs.
