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The air we breathe right now is composed of dioxygen and dinitrogen molecules

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The air we breathe right now is composed of dioxygen and dinitrogen molecules.........

The carbon dioxide that we exhale is composed of discrete molecules of ##CO_2##. The sugar that you put on your cornflakes is composed of molecules of ##C_6H_12O_6##.

The water that you drink is composed of molecules of ##OH_2##. If we drink wine or spirits, some of the liquid content is composed of molecules of ##"ethyl alcohol, "H_3C-CH_2OH##.

The petrol that you put in your car consists of molecules of ##C_6H_14## to a first approximation...

Can you think of some other examples?