Exam 1: The Turbulent Atmosphere

Standing at the top of a tall mountain,a breath of air would contain a lot fewer molecules than a breath of air taken at sea level,but the proportion of oxygen in the two breaths of air,relative to the other constituents,would remain the same.

The ozone hole is an actual hole in the atmosphere,a region of complete vacuum.

Why is there very little water vapor above the tropopause?

Water vapor shows more variation from place to place and from time to time than any other atmospheric gas.

What causes air pressure? Why does air pressure decrease with increasing altitude?

In a volume of air near the earth's surface,__________ occupies 78 percent And __________ nearly 21 percent.

Which of the following weather elements always decreases as we climb upward in the atmosphere?

The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere is:

At night,when the weather is extremely cold and dry,

Since the turn of this century,CO₂ in the atmosphere has:

At the 500 mb level,the amount of oxygen inhaled in a single breath is __________ of that inhaled at sea-level.

Stratospheric ozone is a health hazard for people with respiratory illnesses.

Almost all of the earth's weather occurs in the:

Heat waves are generally considered to be little more than a nuisance and are not responsible for considerable loss of life.

The earth's atmosphere is divided into layers based on the vertical profile of:

The atmospheric layer in which we live is called the:

Calm,tranquil weather is sometimes extremely hazardous.

Condensation is more likely to occur:

Referring to Table 1.3: If you were to take a breath of pure oxygen,from a tank,you'd be getting about __________ the amount of oxygen you'd get by taking a normal breath of our atmosphere.

The word "weather" is defined as: