Answer:
The composition of the objects because not all the planets have been explored
Answer:
I think it could be Between A or D
Explanation:
I'm not sure but I think idk so sorry if it's so wrong
Answer: FeO is called ferrous oxide while Fe2O3 is ferric oxide
Explanation:
Ferrous oxide, commonly known as iron(II) oxide contains iron that lost 2 elections in the oxidation process. So it is able to bond with other atoms that have an extra 2 electrons to share. Ferric oxide, is commonly known as iron(III) oxide