4. Sclera
5. Cornea
6. False
7. Blink
Answer:
A snap together model makes sense to use because to form compounds, atoms bond to each other. A plastic snap together toy demonstrates the bonds with the snaps, but can be disconnected and rearranged to model the formation of different compounds through chemical reactions.
Explanation:
Hope this helps :)
Sorry for the handwriting
Seafloor spreading occurs when two plates diverge