Answer:
1)Nicephore Niepce
but i'm having trouble understanding the second one
Explanation:
The difference is when you draw by memory you won't remember every tiny detail, and you make/draw it in your own way vs. having the object in front of you you can copy it almost exactly.
To be good at art and know what you are going to paint and have oil paint
Artist created unity using asymmetrical balance and sculpting/painting (cant see what it is excuse my bad eyes) meaningful symbols/pictures into to create meaning.
Unity occurs when the many parts of the artwork function together to create an overall meaning. Also sweet, fellow k12/peak student I see.