Well do you know the definition of prehistory? you should look up the meaning of both words and compare and contrast them
        
             
        
        
        
Answer:
Diamond have C-C bonds, so we do not expect difference in electronegativity since only are C atoms. In diamond the bonds are covalent as is expected for bonds between atoms with small difference in electronegativity (<1.7).
 
        
             
        
        
        
The outermost region of a planet's atmosphere.
        
                    
             
        
        
        
Last one
It's very safe, and very liquid - meaning you can easily get your cash out.
        
             
        
        
        
Answer:
Germany was claimed by several other countries as punishment
Explanation: