Answer:Over time, the need for writing changed and the signs developed into a script we call cuneiform. Over thousands of years, Mesopotamian scribes recorded daily events, trade, astronomy, and literature on clay tablets. Cuneiform was used by people throughout the ancient Near East to write several different languages.
 
        
             
        
        
        
Answer:B chess masters have developed better memory skills than novices. 
Explanation: DeGroot in 1965 carried out a research concerning the performance of Chess masters,experienced players and Novices in a chess game.
De Groot in 1965 discovered that Chess masters and experienced players have developed memory skills than Novices and are able to were able to remember the positions and the configuration of chess pieces on a chess board.
 
        
             
        
        
        
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Answer:
its genetic diversity is very low.
Explanation:
One characteristic that distinguishes a population in an extinction vortex from most other populations is that ITS GENETIC DIVERSITY IS VERY LOW.