What is the measure of force per unit area with which air particles push on matter?

What layer of the atmosphere is the ozone layer found in?

What layer of the atmosphere does all weather take place in?

Name the layers of the atmosphere from farthest away from Earth to closest to Earth.

Air moves from areas of high pressure to area of what?

What type of severe weather forms quickly from thunderstorms?

What gas makes up most of Earth's atmosphere?

How does the jet stream affect winter weather in North America?

What does relative humidity of 20% mean?

Rain falls through a layer of freezing air that is large enough to freeze the rain. What type of precipitation forms?

If an air mass forms over a desert in the southern U.S., what will its temperature and moisture be like?

Which is a true statement?

How can a volcanic eruption can change the climate?

What happens when a mass of warm air runs into a mass of cooler air?

What is the boundary that forms between air masses?