Answer: Leonardo da vinci made La Gioconda
Botticelli made the Nacimiento the venus 
Chiberti made the puertas del baptisterio de la catedral de Florencia 
And Brunelleschi made Cupula de la catedral de Florencia 
Explanation:
Hope it helped :]
 
        
                    
             
        
        
        
The main reason is that the North wasn't as agricultural so they didn't need slaves working the fields they where more mercantilist ( an economic system used to boost the nation's wealth using trade.)
        
             
        
        
        
Answer:
less
Explanation:
In case of rolling friction, the area of contact is less than in the case of sliding. Due to this, rolling friction is <u>less</u> than sliding friction.
As a body rolls upon another, it experience the resistance to motion which is known as rolling friction.
Sliding friction refers to a contact force that resists the sliding motion of two bodies.
 
        
             
        
        
        
If you want to show your supervisor that you are ready for more responsibility I suggest taking more initiative at work - sometimes doing additional tasks without being asked to do so. Since taking responsibility can also mean more work, this would show your supervisor that you're ready for this.