No, because it’s starting a new sentence that’s different from the other one
        
                    
             
        
        
        
Hyperbole 
If don't know what it means its best to start of with what you do know
Process if elimination.
It's not a simile because it has no like or as.
Its not Personification cause its not giving the object human features.
And its not metaphor cause its not literally Applicable. I'm assuming.
So that just leaves you with hyperbole.
        
                    
             
        
        
        
Answer: Therefore, this is why technology causes depression.
Explanation:
That's really the best I could do solely based on the fact I don't know much about the topic you are writing about, but I hope this helped! <3 
 
        
                    
             
        
        
        
Answer:
The correct answer is to add humor and to heighten effect. 
Explanation:
 
        
             
        
        
        
An example of the ineffectiveness of the colonialist activities that Marlow witnessed was that he was able to see a group of black prisoners that were walking in chains with a black man wearing a shoddy uniform and then carried a rifle. He then became familiar of this dying native laborers.