Answer:
This snip might help...it depends :)
Explanation:
The correct answer is C the suns energy from the earth
Fe O
2 3 is what i would put
C. An atom of helium has its valence electrons in its first energy level, it wouldn't and can't satisfy the Octet rule as it only has 2 electrons, but with 2, it has a full shell, as the first energy level can hold only 2 electrons.