Exam 20: An Envelope of Gas: the Earths Atmosphere and Climate

Clouds generally form when air ________.

At zones of divergence and convergence,such as at the equator,the poles,the horse latitudes,and polar fronts,surface winds are generally ________.

After precipitation begins,a thunderstorm has reached the ________ stage.

The overall physical conditions of the atmosphere at a given location at a given time are known as _________.

In the figure below,the area known as tornado alley forms because polar air masses frequently collide with ________.

The amount of moisture in the air can be described using the __________ or the __________.

What is the difference between weather and climate?

Which of the following is an example of a tropical cyclone?

Which gas is most abundantly emitted by volcanic activity?

Why do we have seasons? What circumstances result in summer in the northern hemisphere?

Laterally,at the surface,winds blow from regions of ________ to regions of ________.

As air rises,why do clouds form?

Where air sinks,as in the subtropical horse latitudes,the air usually ________.

Which of the following takes place when water condenses?

Compared with warm fronts,cold fronts move ________.

Lines connecting points of equal atmospheric pressure on a map are termed ________.

Hypothesize why someone would feel hotter on a steamy,humid day in Mississippi than on a hot,dry day in the Mojave Desert.

Lightning results from ________.

Which layer in the figure below can be thought of as the weather layer?

In global convective circulation,air sinks at the ________ and the ________.