Amolecule of one atom of carbon and two atoms of oxygen would be written
co(2 up)
co(2 down )
co2
2co

The answer would be : b. CO(2 Down).

Hope this helps !

Photon

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the