what are two main gases in
What are the 3 main gases found in air? Â· just now. 1  There are only two main gases in the air, oxygen and nitrogen.... You could class carbon dioxide but that is only 1%..... 2  Main Gases. Source(s): https://shrinkurl.im/bazqQ. 3  1 oxygen. 2 carbon dioxide. 4  Off the top of my head the three top gases in the air are. Nitrogen ~78%.