Answer:
You are missing the first page, which does not allow me to form a completed, full-fledged answer. Thank you for understanding my problem, and please add the next page so I can actually read the whole thing.
Explanation:
Double-space use Times New Roman font. <span>The font size should be 12 pt</span>
Answer: I would guess sun-centered
Explanation: If you search on the internet the definition of heliocentric you will get
having or representing the sun as the center, as in the accepted astronomical model of the solar system.
so that but in basic terms I would think it's sun-centered.
I'm not 100% sure but I'm making my best educated guess. Please Let me know if it was correct.