Alpha Team, that would be inferring that you guys are the top team ;)
Answer:
a:visual balance
Explanation:
Never forget that every element you place on a page has a weight. The weight can come from color, size, or texture. Just like you wouldn’t put all your furniture in one corner of a room, you can’t crowd all your heavy elements in one area of your composition. Without balance, your audience will feel as if their eye is sliding off the page.
It's a condition in which people see white or black dots in parts or the whole of their visual fields.
The correct answer to this question is "curving the forms of certain objects, such as the bookshelf and ceiling, in order to create the 3-dimensional sphere of the mirror." In order to create space, escher created space by doing this. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.