Question

What best describes the density of the atmosphere?

a) "Varies at different altitudes"
b) "Constant throughout"
c) "Highest at sea level"
d) "Lowest in polar regions"

Answer 1

The density of the atmosphere varies at different altitudes. Air is compressible, so its density is highest near the Earth's surface and decreases rapidly with altitude.

Step-by-step explanation:

The density of the atmosphere varies at different altitudes. Air is compressible, so its density is highest near the Earth's surface and decreases rapidly with altitude.