Answer:
Children at 20 months of age who spoke sentences typical of 3-year-olds were not especially likely to be reading by age 4-and-a-half. Eight-graders who outperform most high schoolers on a college aptitude test were especially likely to be reading by age 5.
Explanation:
 
        
             
        
        
        
Answer:
Scientific management.
Explanation:
Scientific management is a theory that analyzes and synthesizes the workflow of, in this case, a company. It's main objective is to improve the economic and labor efficiency. That could be made to happen if, like Jim is doing, you focus on every step in the process, from training to financially reward the workers. It's a sort of engineering of the process and management. 
 
        
             
        
        
        
Answer:
Greece's steep mountains and surrounding seas forced Greeks to settle in isolated communities. Travel by land was hard, and sea voyages were hazardous. Most ancient Greeks farmed, but good land and water were scarce.
Explanation:
this is how they isolated
 
        
             
        
        
        
Answer:
Fluid intelligence
Explanation:
Fluid intelligence is that ability of an individual to reason in a unique way or reason abstractly to or and solve a problem.
It has been researched or proved that, this fluid intelligence is independent of  learning, education or experience.
In this case, Barry will only relies on his fluid intelligence to solve the abstract word that he has never seen before. This is because, he has no experience about it and has not been taught before. So it is only his fluid intelligence that can be used.