Exam 19: The Atmosphere

The rate at which the temperature decreases with altitude is called the ______________.

Nimbus means

The reason why the sky is blue is best explained by

The fraction of incident light that a body reflects is known as its

Which of the following is the most variable constituent of air?

Doppler radars at airports are capable of detecting dangerous, downward ______________.

The horizontal movement of air is called

Clouds described as "artist's brushes" or "mare's tails" belong to what cloud family?

Which of the following is not a member of the low-cloud family?

A barometer that does not use mercury is a(n) ______________ barometer.

To avoid toxic vapor, one can use a(n) ____________ barometer to measure pressure.

The top of the thermosphere is called the

Stratocumulus clouds belong to the ______________ cloud family.

For normal household temperatures, a comfortable relative humidity is

At 1800 degrees Fahrenheit, this part of atmosphere is heated almost directly by the Sun's rays.

The blueness of the sky results from

The principal gases responsible for the greenhouse effect are

If the ground-level air temperature is 20°C, what is the air temperature at the top of the troposphere (16 km), assuming a normal lapse rate?

When measuring air temperature, it is best to avoid

The air pressure is 14.8 lb/in². a. What is the approximate height, in centimeters, of a mercury column that this pressure would support? b. What would be the height, in meters, of the column for a water barometer?