Answer:
Is this an actual question from an assignment
Explanation:
I'll edit this if you say yes
Answer: i think you would have to put a coat of protective clear stuff i forgot what its called sorry
Explanation:
The first one can be seen either way. For me, I saw a vase first. In all of the pictures, the black drawing is considered the positive space and the white background behind it is considered to be the negative space. If you look at the vase picture again and imagine the background to be the black portion, you see two faces.
Hope this helps! :)
I think that three steps are purchasing, selecting, presenting