What compound do cells break down for energy in the process of cellular respiration? O Oxygen
O Sunlight
Chloroplast
O Glucose

Glucose

Explanation:

Glucose is broken down into water and carbon dioxide.

hope this helps! :)

fe 55.85 g/mol and h2o 18.02 g/mol.

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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~ trueboss72