an envelope of gasses around the planet.

water in the form of gas

a body of air horizontally uniform, temp, humidity, pressure

average temp for a long period of time

a change in global or regional climate patterns

The amount of mass in a given volume of its density

the result of the weight of a column of air pushing on an area

The distance above sea level

What gases make up Earth’s atmosphere?

What instrument measures air pressure

How does altitude affect air pressure and density?

What are the three types of weather fronts?