Question

density means?????????​

Answer 1

Explanation:

An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the amosphere is low

please follow

Answer 2

Explanation:

Density is a measure of how compact the mass in a substance or object is. Density is a measure of mass per unit of volume. In general, gases have the lowest densities, but these densities are highly dependent on the pressure and temperature which must always be specified.