Answer:
15 points higher
Explanation:
The <u><em>Flynn Effect</em></u> is a phenomenon that the increase in IQ over the ages is an increase in <u><em>overall abstract problem solving</em></u> rather than actual intelligence, and are attributed to the environment in which younger generations are surrounded by compared to older generations. According to this effect an average 18-year old scored 15 points higher than that of someone 60 years ago.
**I had this question and studied the Flynn Effect in high school**
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The following act of nationalism inspired the spread of nationalism throughout the world:
The French Revolution
The French Revolution inspired other European nations such as Germany, Ireland, Poland, Switzerland, the United States, Latin America, and Haiti. 
 
        
                    
             
        
        
        
Answer:
survey
Explanation:
You are surveying 2000 people. 
 
        
             
        
        
        
Answer: provide businesses and individuals with insights into business and career opportunities for the future.
Explanation: Demography can be defined as the study of human populations and how they change. The size, characteristics and density are examples of the studies conducted. Here, demography studies can be important in giving information about businesses and insights to business by predicting which markets are growing and which markets are declining. 
 
        
             
        
        
        
Answer:
Tigris Euphrates River - Middle East
Nile River - Egypt
Indus River - India
Huang He - China
Explanation: