WX 201 Exam 1 Questions with 100% Correct
Answers
The Temperature of the Tropopause:
A: is much colder than the temperature at the earth's surface.
B: is much warmer than the temperature at Earth's surface.
C: has never been measured.
D: is close to the temperature at Earth's surface.
E: is nearly the same as the sun's temperature.
A: is much colder than the temperature at the earth's surface.
Which Atmospheric Layer contains the most mixing and overturning of air?
A: stratosphere
B: exosphere
C: mesosphere
D: ionosphere
,E: troposphere
E: troposphere
Air molecules are held near earth by/through
A: air pressure.
B: chemical reactions.
C: intermolecular forces.
D: gravity.
E: winds in the atmosphere.
D: gravity
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere is:
A: chlorofluorocarbons
B: water vapor
C: carbon dioxide
D: Ozone
,E: nitrous oxide
D: Ozone
Typically, water vapor occupies about what percentage of the air's volume near Earth's
surface?
A: about 21 percent
B: less than 1 percent
C: about 78 percent
D: close to 10 percent
E: less than 4 percent
E: Less than 4 percent
There are considerably more air molecules near Earth's surface than higher up, which
means, in comparison, air near the surface
A: is more dense.
B: has no density.
C: is less dense.
, D: is only half as dense.
E: has the same density.
A: is more dense.
Wind Direction is
A: always directly from high toward low pressure.
B: the vertical displacement of air.
C: the direction from which the wind is blowing.
D: always directly from low toward high pressure.
E: the direction to which the wind is blowing.
C: the direction from which the wind is blowing
Which weather element ALWAYS decreases as we climb upward in the atmosphere?
A: Wind
B: Pressure
C: dew point
Answers
The Temperature of the Tropopause:
A: is much colder than the temperature at the earth's surface.
B: is much warmer than the temperature at Earth's surface.
C: has never been measured.
D: is close to the temperature at Earth's surface.
E: is nearly the same as the sun's temperature.
A: is much colder than the temperature at the earth's surface.
Which Atmospheric Layer contains the most mixing and overturning of air?
A: stratosphere
B: exosphere
C: mesosphere
D: ionosphere
,E: troposphere
E: troposphere
Air molecules are held near earth by/through
A: air pressure.
B: chemical reactions.
C: intermolecular forces.
D: gravity.
E: winds in the atmosphere.
D: gravity
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere is:
A: chlorofluorocarbons
B: water vapor
C: carbon dioxide
D: Ozone
,E: nitrous oxide
D: Ozone
Typically, water vapor occupies about what percentage of the air's volume near Earth's
surface?
A: about 21 percent
B: less than 1 percent
C: about 78 percent
D: close to 10 percent
E: less than 4 percent
E: Less than 4 percent
There are considerably more air molecules near Earth's surface than higher up, which
means, in comparison, air near the surface
A: is more dense.
B: has no density.
C: is less dense.
, D: is only half as dense.
E: has the same density.
A: is more dense.
Wind Direction is
A: always directly from high toward low pressure.
B: the vertical displacement of air.
C: the direction from which the wind is blowing.
D: always directly from low toward high pressure.
E: the direction to which the wind is blowing.
C: the direction from which the wind is blowing
Which weather element ALWAYS decreases as we climb upward in the atmosphere?
A: Wind
B: Pressure
C: dew point
