.png){kind=logo}
Describe how and why air density changes with changes in altitude. - ANSWER- Air density decreases with an increase in altitude because air particles have mass and are pulled down by Earth's gravity.ÂÂ
ÂÂ
Density is defined as - ANSWER- mass divided by volume.ÂÂ
ÂÂ
Nitrogen is about _____ of the Earths atmosphere - ANSWER- 78%ÂÂ
ÂÂ
A mechanical wave cannot travel through a - ANSWER- vacuum.ÂÂ
ÂÂ
In which layer is the ozone layer located? - ANSWER- StratosphereÂÂ
ÂÂ
Where does Earth's weather happen? - ANSWER- TroposphereÂÂ
ÂÂ
The troposphere is - ANSWER- the densest of the atmospheric layers.ÂÂ
ÂÂ
The exosphere is the least - ANSWER- dense atmospheric layer.ÂÂ
.png)