Dry air contains roughly (by volume): All the above are relatively small, light, non-polar molecules, characteristics mimicking an ideal gas. At normal ambient conditions such as standard temperature and pressure, most real gases behave qualitatively like an ideal gas.
provide - take measures in preparation for; provide for the proper care of the passengers on the cruise ship gear up, prepare, ready, set, fix, set up - make ready or suitable or equip in advance for a particular purpose or for some use, event, etc; Get the children ready for school!; prepare for war; I was fixing to leave town after I paid the hotel bill
provide. 1  to make available; furnish: to provide employees with various benefits. 2  to supply or equip: to provide the army with new fighter planes. 3  to afford or yield. 4  Law. to arrange for or stipulate beforehand, as by a provision or proviso. 5  Archaic. to prepare or procure beforehand.