Question

why air is more dense at sea level

Answer 1

THIS IS BECAUSE OF AIR PARTICLE HAS SPACES BETWEEN THEM AND WATER CONTAIN SOME PORES BETWEEN THEM...........

HOPE ITS CORRECT...

Answer 2

Altitude is height above sea level. The density of air decreases with height. There are two reasons: at higher altitudes, there is less air pushing down from above, and gravity is weaker farther from Earth's center. So at higher altitudes, air molecules can spread out more, and air density decreases