For the last week, Adam has been sleeping very little, yet still seems full of energy and enthusiasm. His extreme optimism has led him to take foolish risks. He has lost a lot of money - for instance, betting on a horse that he was sure would win. Adam may be in a manic state.
If you have a job that involves manual labor, you are doing blue-collar work. <span>A </span>blue collar<span> is a working-class person historically defined by hourly rates of pay and manual labor. A </span>blue collar<span> worker refers to the fact that most manual laborers at the turn of the century wore </span>blue<span> shirts, which could hold a little dirt around the </span>collar<span> without standing out.</span>
Answer:
Due to lack of technology.
Explanation:
It took several centuries before the civilizations of the two hemispheres had communication because of lack of technologies that can make a bridge of communication between two hemisphere. People are not interested in research and having old wrong beliefs that prevent them from growth and development but due to renaissance movement people get rid of false and wrong beliefs and work for the advancement of technology which leads to communication between two hemisphere.
