What do conduction and convention have in common A. They both involve the transfer of thermal energy from one to material to another
B. They can both occur in solids, liquids, and gasses
C. They both tend to produce currents
D. They both involve the movement of particles

your parents i think this could be it

the volume increases

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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