It provides light to a picture which reaches a sensor by shutter speed. Exposure brings out the light in pictures and is useful when you take a pic that is dark
        
             
        
        
        
Here ya' go? A really bad doodle brought to you by me. Hope this helps? (Just trace it if you need to, I really don't care)
 
        
             
        
        
        
The correct answer is B. King Charles I dressed casually for the hunt and standing on a bluff overlooking a distant view of the country.
Explanation:
The image presented is a portrait known as "Charles I at the Hunt". In this, King Charles I, who was the king of England and nearby territories, is standing in from of a horse during a hunting day. This king can be recognized due to his long black hair and particular mustache and beard. Moreover, in this painting by Anthony Van Dyck, the king wears comfortable clothes, suitable for hunting and is looking at the horizon. According to this, the correct answer is B.