WHY DO WE NEED AIR?

A visit to the moon becomes an exciting adventure for two boys and provides many occasions on which the importance of air. For example, oxygen tanks must be worn, working there is no air in space; sound waves need air to carry them; an imaginary jeep will be useless for an internal combustion engine, moved by the combustion mixture of oxygen and gasoline, tells that without air there can be no clouds, no winds, no weather