Answer:
Ancient European explorers would not have went far without the Chinese.
Explanation:
You have to remove the comma because it results in an unnecessary pause.
 
        
             
        
        
        
The people who cross the brige
        
             
        
        
        
Answer:
Bats reproduce and raise their young ones in caves.
Explanation:
 
        
             
        
        
        
Answer:
hello. my self lol. ,.................?
 
        
             
        
        
        
pre-history 
Pre is the prefix history is the base word/root word. 
Hope I was able to help. :)