Fairly low; most of the solar corona would be a high-grade vacuum.
if it is high the density is high so if the temperature is low the density is low.
yes, anticyclones are high density and high pressure and cyclones are low density and low pressure
Water do not have a low density.It has a comparatively high density.
How high or low the density of your city is.
high
it is nor high or low but medium.
Quite low density: 0.968 g·cm−3
low
Diffusion.
No, the density of iron is fairly high.
high
Gasses have an incredibly low density, less than a liquid or a solid.