This relationship also works inversely. The height of a mountain determines, approximately, the density of air on its summit. As air becomes less dense, it contains less gases per unit of volume ...

And that’s because water and air have different densities. You can think of density as how heavy something ... sides and multiply length by width by height: To find the volume of an irregular ...

Wind is the movement of air from an area of high pressure to an area of low pressure. In fact, wind exists because the sun unevenly heats the surface of the Earth. As hot air rises, cooler air ...