Answer:
I believe it is the letter B
 
        
                    
             
        
        
        
Papermaking, printing, gunpowder and the compass - the four great inventions of ancient China-are significant contributions of the Chinese nation to world civilization.
 
        
             
        
        
        
Answer:
Telephone, internal combustion engine, and electrical light
Explanation:
telephone:  it allowed for instant communication, communication by voice, and it paved the way for future inovations in telephone technology.
engine: it was powered by gas and air, which made it impractical for widespread public use.
light: Electric lights allowed factories to stay open longer and produce more goods.
Hope this helps dude!
 
        
             
        
        
        
The correct answe is C Wheels