Answer:
<u>A) increased sophistication of tools.
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Explanation:
Technological advances have included significant developments in the production of flint tools, including fine-blade based industries instead of simpler and shorter shards. A sheath made of different materials and a stone tool for scraping and polishing made it possible to work on bones, antlers and skin. Advanced hunting spears and harpoons also appear during this period.
<u>False</u>; It is often said that the most precious commodity on Wall Street is <u>information</u>.
Information about market trends, emerging opportunities, financial threats, and so on have become the key focus of professionals and traders in Wall Street.
Firms are investing in research, hiring consultants and analysts to stay ahead of the game. The ability to predict stock prices is becoming a highly sought after capacity.
Infact, information is becoming so precious that some resort to unethical practices to obtain and use it. Among these is the phenomenon of insider trading, in which people are able to make riskless investments in the stock market based on information they obtained illegally.
Regulators are also investing in securing critical information, such as by installing advanced data-mining softwares analyze trading records.
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In brief, the World Trade Organization (WTO) is the only international organization dealing with the global rules of trade. Its main function is to ensure that trade flows as smoothly, predictably and freely as possible.