What is the average mass in grams of a single carbon dioxide molecule?

h let me think

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

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there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

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the answer is c.the valence of the atoms combine .