The brown tree snake is actually really infamous for being an invasive species so C would be the answer.
 
        
                    
             
        
        
        
Answer: The Printing press, airplane, automobile
Explanation:
The Modern Age is considered the age of science and technology because at this age there are many inventions that people are using now and that made our life easier. 
Examples of science and technology inventions: The Printing press, Light bulb, Airplane, Computer, Vaccines, Telephone, Automobile, Camera, Refrigeration, Clock, and more. 
There are also Vaccum, the Radar, Automatic washing machine, Email, Internet, Mobile phone. 
 
        
             
        
        
        
The national government has the power to control the nations budget and spending. They are in charge of defending the nation. They also handle many foreign affairs.
        
             
        
        
        
Answer:
The answers are C and E.
c) The soil became too salty for crops to grow;
e) People moved to more fertile regions of the subcontinent.
Explanation:
The Indus River Valley civilization (3300-1300 BCE) used to use salt water on their agricultural system. So, as the times passes the salt overloaded the soil making it inappropriate to grow anything; thus forcing the civilization to move to more fertile regions in order to have more stable and abundant crops. 
 
        
             
        
        
        
Answer:
Import can be referred as goods brought into a country or the act of bringing those goods into the country, while export can be goods sold to another country or the process of sending goods to another country
Explanation: