2Fe2O3, reason is when we add 4Fe + 3O2, we get the same answer, but in a different form.
Answer:
I don't <u>understand</u><u> </u><u>your</u><u> </u><u>question</u><u> </u>
Something moving. Change in temperature.
A starfish has five equal arms, so a starfish would have 5 lines of symmetry. Hope this helps!