Answer:
600 works and in the romanticism since his works were made in 1761 to 1791
 
        
             
        
        
        
I've found that three of the most important techniques are "Oil, Fresco, and Tempera" and if you take a look of the paintings you can actually see that they are really I could say creamy, realistic, colorful, like "hard worked", you can truly see every brush-stroke and they also depict beauty of the human body.  
And, on the other hand we have the "new techniques" where you find works that are also realistic but not as creamy and hard worked as the old, in that type of works you can also see that there's not a lot of work with brush-strokes like in the old ones.
        
             
        
        
        
dust because it helps clean oil paintings
 
        
             
        
        
        
Answer:
quarter note in music its half but if said four it is a quarter note
 
        
             
        
        
        
A. Washington, D.C.
They build the columns on the white house using the 'Greek Revival' architecture style.
Have a wonderful day.